diff --git a/.github/sponsors/FilePreviews.svg b/.github/sponsors/FilePreviews.svg
new file mode 100644
index 00000000..2fff3aa3
--- /dev/null
+++ b/.github/sponsors/FilePreviews.svg
@@ -0,0 +1 @@
+<svg viewBox="0 0 180 60" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2"><path fill="#fff" d="M0 0h180v60H0z"/><path fill="#fff" d="M0 0h180v60H0z"/><path d="M27.917 35.296v9.608h-5V15.662h20v5.013h-15v9.608h8.75v5.013h-8.75zM32.5 54.93c13.807 0 25-11.222 25-25.065C57.5 16.022 46.307 4.8 32.5 4.8s-25 11.222-25 25.065c0 13.843 11.193 25.065 25 25.065zm5.417-33.002v13.368h5V21.928h-5zm30.694.302h8.95v2.16h-6.483v3.81h6.11v2.08h-6.11v5.851h-2.467v-13.9zm10.165 4.477h2.35v9.424h-2.35v-9.424zm-.333-3.2c0-.38.14-.71.421-.992.28-.282.637-.422 1.068-.422.43 0 .793.134 1.086.402.294.268.441.606.441 1.012 0 .405-.146.742-.44 1.01-.295.269-.656.403-1.087.403-.431 0-.787-.14-1.068-.422a1.358 1.358 0 01-.42-.991zm4.957-2.22h2.35v14.844H83.4V21.288zm11.203 9.19c0-.301-.042-.59-.127-.864a1.97 1.97 0 00-.402-.727 1.96 1.96 0 00-.695-.5 2.422 2.422 0 00-.989-.187c-.705 0-1.302.213-1.792.638-.49.426-.76.972-.812 1.64h4.817zm2.35 1.06v.314c0 .104-.007.21-.02.314h-7.147a2.336 2.336 0 00.861 1.66c.248.202.529.363.842.48.314.118.64.177.98.177.587 0 1.083-.108 1.488-.324.405-.217.737-.514.998-.893l1.567 1.256c-.927 1.257-2.272 1.885-4.034 1.885a5.715 5.715 0 01-2.017-.344 4.75 4.75 0 01-1.596-.971 4.39 4.39 0 01-1.058-1.542c-.255-.609-.381-1.299-.381-2.07 0-.76.127-1.45.381-2.072a4.713 4.713 0 011.048-1.59c.444-.439.97-.78 1.576-1.022a5.272 5.272 0 011.969-.363c.653 0 1.256.108 1.811.324a3.93 3.93 0 011.44.962c.404.425.72.956.95 1.59.228.635.342 1.378.342 2.229zm1.764-9.307h4.524a9.82 9.82 0 012.154.216c.64.144 1.188.38 1.645.707.457.327.81.746 1.057 1.257.249.51.373 1.125.373 1.845 0 .773-.144 1.42-.431 1.944a3.498 3.498 0 01-1.165 1.266c-.49.32-1.061.553-1.714.698a9.62 9.62 0 01-2.076.216h-1.9v5.752h-2.467v-13.9zm4.191 6.067c.404 0 .79-.029 1.155-.088.366-.059.692-.164.98-.314.287-.151.515-.357.685-.619.17-.262.254-.602.254-1.02 0-.406-.084-.737-.254-.992a1.761 1.761 0 00-.676-.6c-.28-.143-.6-.238-.96-.284a8.718 8.718 0 00-1.106-.069h-1.801v3.986h1.723zm6.112-1.59h2.252v1.57h.039a3.43 3.43 0 011.097-1.335c.47-.34 1.018-.51 1.645-.51.091 0 .189.003.293.01.105.007.196.023.274.049v2.16a2.728 2.728 0 00-.724-.098c-.536 0-.966.098-1.292.294a2.344 2.344 0 00-.764.707 2.534 2.534 0 00-.372.844 3.289 3.289 0 00-.098.687v5.046h-2.35v-9.424zm12.77 3.77c0-.301-.043-.59-.127-.864a1.97 1.97 0 00-.402-.727 1.96 1.96 0 00-.696-.5 2.42 2.42 0 00-.988-.187c-.705 0-1.302.213-1.792.638-.49.426-.76.972-.813 1.64h4.818zm2.35 1.06v.314c0 .104-.007.21-.02.314h-7.148a2.336 2.336 0 00.862 1.66c.248.202.529.363.842.48.313.118.64.177.979.177.588 0 1.083-.108 1.488-.324a2.813 2.813 0 001-.893l1.566 1.256c-.927 1.257-2.272 1.885-4.034 1.885a5.716 5.716 0 01-2.017-.344 4.748 4.748 0 01-1.596-.971 4.39 4.39 0 01-1.058-1.542c-.255-.609-.382-1.299-.382-2.07 0-.76.127-1.45.382-2.072a4.718 4.718 0 011.048-1.59c.443-.439.969-.78 1.576-1.022a5.272 5.272 0 011.968-.363c.653 0 1.257.108 1.812.324a3.93 3.93 0 011.44.962c.404.425.72.956.95 1.59.228.635.342 1.378.342 2.229zm.236-4.83h2.566l2.467 6.872h.04l2.486-6.872h2.487l-3.74 9.424h-2.506l-3.8-9.424zm10.87 0h2.35v9.424h-2.35v-9.424zm-.332-3.2c0-.38.14-.71.42-.992.281-.282.637-.422 1.068-.422.431 0 .793.134 1.087.402.293.268.44.606.44 1.012 0 .405-.146.742-.44 1.01-.294.269-.656.403-1.087.403-.43 0-.786-.14-1.067-.422a1.358 1.358 0 01-.421-.991zm11.536 6.97c0-.301-.043-.59-.127-.864a1.973 1.973 0 00-.402-.727 1.958 1.958 0 00-.695-.5 2.42 2.42 0 00-.989-.187c-.705 0-1.302.213-1.792.638-.49.426-.76.972-.812 1.64h4.817zm2.35 1.06v.314c0 .104-.007.21-.02.314h-7.147a2.336 2.336 0 00.861 1.66c.248.202.529.363.842.48.314.118.64.177.98.177.587 0 1.083-.108 1.488-.324a2.81 2.81 0 00.999-.893l1.566 1.256c-.927 1.257-2.271 1.885-4.034 1.885a5.717 5.717 0 01-2.017-.344 4.751 4.751 0 01-1.596-.971 4.385 4.385 0 01-1.057-1.542c-.255-.609-.383-1.299-.383-2.07 0-.76.128-1.45.382-2.072a4.709 4.709 0 011.048-1.59c.444-.439.97-.78 1.577-1.022a5.271 5.271 0 011.968-.363c.653 0 1.256.108 1.811.324a3.926 3.926 0 011.44.962c.404.425.72.956.95 1.59.228.635.342 1.378.342 2.229zm.315-4.83h2.546l1.958 6.754h.04l2.016-6.754h2.507l2.037 6.754h.039l1.998-6.754h2.448l-3.252 9.424h-2.388l-2.135-6.597h-.04l-2.114 6.597h-2.39l-3.27-9.424zm21.602 2.513a2.709 2.709 0 00-.862-.717 2.42 2.42 0 00-1.194-.304c-.379 0-.725.079-1.038.236-.313.157-.47.419-.47.785 0 .367.173.625.52.776.346.15.85.304 1.517.461.352.078.708.184 1.067.314.36.131.685.304.98.52.294.217.531.485.714.806.183.32.274.71.274 1.168 0 .576-.107 1.063-.323 1.463a2.757 2.757 0 01-.861.971 3.612 3.612 0 01-1.254.54c-.476.111-.97.167-1.479.167a5.853 5.853 0 01-2.134-.402c-.692-.27-1.267-.651-1.724-1.149l1.548-1.453c.26.34.6.622 1.018.844a2.91 2.91 0 001.39.334c.17 0 .343-.02.52-.059.176-.039.339-.101.49-.186.15-.085.27-.2.361-.344a.972.972 0 00.137-.53c0-.393-.179-.674-.538-.844-.36-.17-.898-.34-1.616-.51a7.739 7.739 0 01-1.028-.305 3.363 3.363 0 01-.891-.49 2.275 2.275 0 01-.627-.757c-.156-.3-.235-.674-.235-1.119 0-.524.108-.975.324-1.355.215-.38.499-.69.851-.932a3.814 3.814 0 011.195-.54c.444-.118.9-.177 1.37-.177.68 0 1.342.118 1.988.353.646.236 1.16.596 1.538 1.08l-1.528 1.355z" fill="#1083ff"/></svg>
diff --git a/.github/sponsors/Tidelift.svg b/.github/sponsors/Tidelift.svg
new file mode 100644
index 00000000..8b4da42c
--- /dev/null
+++ b/.github/sponsors/Tidelift.svg
@@ -0,0 +1 @@
+<svg viewBox="0 0 180 60" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2"><path fill="#fff" d="M0 0h180v60H0z"/><g fill-rule="nonzero"><path d="M39.99 39.07V20.93c0-1.838 0-1.838 1.937-1.838s1.937 0 1.937 1.837v18.142c0 1.837 0 1.837-1.937 1.837s-1.937 0-1.937-1.837zm9.422-1.04V21.97c0-2.883 0-2.883 2.883-2.883h4.699c6.294 0 10.168 3.142 10.58 8.259a25.26 25.26 0 010 4.483c-.416 5.084-4.29 9.08-10.58 9.08h-4.699c-2.883 0-2.883 0-2.883-2.88zm7.498-.797c4.308 0 6.524-2.433 6.774-5.779a20.04 20.04 0 000-3.72c-.284-3.38-2.466-4.963-6.774-4.963h-3.62v14.462h3.62zm15.855.797V21.97c0-2.883 0-2.883 2.882-2.883h10.914c1.904 0 1.904 0 1.904 1.788 0 1.787 0 1.82-1.904 1.82h-9.914v5.617h8.96c1.82 0 1.82 0 1.82 1.705 0 1.704 0 1.72-1.82 1.72h-8.96V37.3h9.998c1.903 0 1.903 0 1.903 1.77 0 1.838 0 1.838-1.903 1.838H75.647c-2.882 0-2.882 0-2.882-2.879zm21.261 0V20.945c0-1.871 0-1.871 1.92-1.871s1.937 0 1.937 1.837V37.3h9.64c1.953 0 1.953 0 1.953 1.82 0 1.822 0 1.788-1.953 1.788H96.909c-2.883 0-2.883 0-2.883-2.879zm20.944 1.04V20.93c0-1.838 0-1.838 1.938-1.838 1.937 0 1.937 0 1.937 1.837v18.142c0 1.837 0 1.837-1.937 1.837s-1.937 0-1.937-1.837zm9.378 0V21.988c0-2.883 0-2.883 2.882-2.883h10.914c1.87 0 1.887 0 1.887 1.821 0 1.82 0 1.787-1.887 1.787h-9.918v5.834h9.193c1.887 0 1.887 0 1.887 1.754s0 1.788-1.887 1.788h-9.193v6.983c0 1.837 0 1.837-1.937 1.837s-1.941 0-1.941-1.837zM32.533 19.092H17.346c-1.987 0-1.987 0-1.987 1.82 0 1.821 0 1.788 1.987 1.788h5.665v6.437l3.857-3.025V22.7h5.665c1.954 0 1.954 0 1.954-1.788 0-1.787 0-1.82-1.954-1.82z" fill="#4b5168"/><path d="M23.01 32.87v6.15c0 1.838 0 1.838 1.938 1.838 1.937 0 1.92 0 1.92-1.87v-9.142l-3.857 3.025z" fill="#f6914d"/><path d="M147.463 19.092h15.187c1.987 0 1.987 0 1.987 1.82 0 1.821 0 1.788-1.987 1.788h-5.665v6.437l-3.857-3.025V22.7h-5.665c-1.954 0-1.954 0-1.954-1.788 0-1.787.004-1.82 1.954-1.82z" fill="#4b5168"/><path d="M156.99 32.87v6.15c0 1.838 0 1.838-1.938 1.838-1.937 0-1.92 0-1.92-1.87v-9.142l3.857 3.025z" fill="#f6914d"/></g></svg>
diff --git a/.github/sponsors/Variomedia.svg b/.github/sponsors/Variomedia.svg
new file mode 100644
index 00000000..90e750d2
--- /dev/null
+++ b/.github/sponsors/Variomedia.svg
@@ -0,0 +1 @@
+<svg viewBox="0 0 180 60" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2"><path fill="#fff" d="M0 0h180v60H0z"/><g fill-rule="nonzero"><path d="M39.98 2.528c-.986 0-1.777.796-1.777 1.781 0 .324.087.627.238.888l18.6 38.156 6.966-17.195L53.047 3.61a1.783 1.783 0 00-1.566-1.08H39.979z" fill="#3386aa"/><path d="M74.781 2.53c-.77 0-1.424.482-1.674 1.166L57.039 43.354l6.33 13.01c.294.656.905 1.107 1.65 1.107.73 0 1.366-.38 1.716-1.177l20.67-51.241c.094-.23.166-.479.166-.745 0-.986-.797-1.772-1.781-1.779H74.78z" fill="#2ac2ba"/><path d="M89.969 55.009a1.795 1.795 0 001.656 2.463l11.005-.002c.742 0 1.379-.458 1.647-1.102l.003-.002 20.718-51.39a1.782 1.782 0 00-1.652-2.447h-11.011a1.77 1.77 0 00-1.665 1.148L89.969 55.009z" fill="#ec1e79"/><path d="M64.006 26.16l-1.763-3.629-5.204 20.823.63-1.554 6.337-15.64z" fill="#276680"/><path d="M89.873 56.02v-.002l-.009-.05v-.002a1.844 1.844 0 01-.022-.225v-.008c0-.018 0-.035-.002-.053v-.008c0-.236.047-.458.13-.664 1.946-4.833 7.794-19.328 7.794-19.328l.07-.175L87.52 3.88l.01.044c.002.015.006.03.009.044v.001l.008.044v.001l.006.044v.001l.006.045v.001l.005.045v.002l.002.045c.001.024.003.048.003.073v.065c0 .047-.004.094-.01.141 0 .016-.003.03-.005.046-.001.016-.004.03-.007.046l-.008.045v.002l-.01.043v.002l-.01.042v.003a.29.29 0 01-.011.04l-.001.006a.303.303 0 01-.011.039l-.002.007-.011.037-.003.009c-.004.01-.006.022-.01.034l-.005.013a.2.2 0 01-.011.03l-.006.016-.01.027-.008.022a.58.58 0 01-.025.061L79.586 24.43l10.322 31.74a2.272 2.272 0 01-.035-.15zm51.863-.782L125.07 3.863a1.776 1.776 0 01-.072 1.113L118.6 20.85l-1.445 3.584 10.333 31.786a1.79 1.79 0 001.701 1.25h10.838a1.777 1.777 0 001.71-2.233z" fill="#b1175b"/><path d="M118.86 29.685l-1.706-5.25 7.828-19.417-6.123 24.667zm-37.565 0l-1.707-5.25L87.42 5.02l-6.125 24.666zm14.83.581l1.709 5.24-7.831 19.417 6.122-24.657z" fill="#841245"/></g></svg>
diff --git a/README.md b/README.md
index e4532a87..376dc4ed 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,6 @@
 
 Its main goal is to help you to write **concise** and **correct** software without slowing down your code.
 
-<!-- teaser-end -->
 
 ## Sponsors
 
@@ -40,15 +39,15 @@ Especially those generously supporting us at the *The Organization* tier and hig
 
 <p align="center">
    <a href="https://www.variomedia.de/">
-      <img src="./docs/_static/sponsors/Variomedia.svg" width="200" height="60"></img>
+      <img src="https://raw.githubusercontent.com/python-attrs/attrs/main/.github/sponsors/Variomedia.svg" width="200" height="60"></img>
    </a>
 
    <a href="https://tidelift.com/subscription/pkg/pypi-attrs?utm_source=pypi-attrs&utm_medium=referral&utm_campaign=enterprise&utm_term=repo">
-      <img src="./docs/_static/sponsors/Tidelift.svg" width="200" height="60"></img>
+      <img src="https://raw.githubusercontent.com/python-attrs/attrs/main/.github/sponsors/Tidelift.svg" width="200" height="60"></img>
    </a>
 
    <a href="https://filepreviews.io/">
-      <img src="./docs/_static/sponsors/FilePreviews.svg" width="200" height="60"></img>
+      <img src="https://raw.githubusercontent.com/python-attrs/attrs/main/.github/sponsors/FilePreviews.svg" width="200" height="60"></img>
    </a>
 </p>
 
@@ -56,6 +55,7 @@ Especially those generously supporting us at the *The Organization* tier and hig
    <strong>For a limited time, you can add your logo here for <a href="https://github.com/sponsors/hynek">as little as $50 per month!</a></strong>
 </p>
 
+<!-- teaser-end -->
 
 ## Example
 
diff --git a/docs/_static/sponsors/FilePreviews.svg b/docs/_static/sponsors/FilePreviews.svg
deleted file mode 100644
index 6f9c7a89..00000000
--- a/docs/_static/sponsors/FilePreviews.svg
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 180 60" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
-    <g id="Layer1">
-        <g transform="matrix(0.989348,0,0,0.968489,-0.174854,0.333293)">
-            <rect x="0.177" y="-0.344" width="181.938" height="61.952" style="fill:white;"/>
-        </g>
-        <g transform="matrix(0.3,0,0,0.3,90,30)">
-            <g transform="matrix(1,0,0,1,-300,-100)">
-                <rect x="0" y="0" width="600" height="200" style="fill:white;"/>
-                <g>
-                    <path d="M93.056,117.653L93.056,149.681L76.389,149.681L76.389,52.205L143.056,52.205L143.056,68.915L93.056,68.915L93.056,100.943L122.222,100.943L122.222,117.653L93.056,117.653ZM108.333,183.101C154.357,183.101 191.667,145.694 191.667,99.55C191.667,53.407 154.357,16 108.333,16C62.31,16 25,53.407 25,99.55C25,145.694 62.31,183.101 108.333,183.101ZM126.389,73.093L126.389,117.653L143.056,117.653L143.056,73.093L126.389,73.093ZM228.703,74.101L258.535,74.101L258.535,81.3L236.928,81.3L236.928,93.997L257.295,93.997L257.295,100.934L236.928,100.934L236.928,120.438L228.703,120.438L228.703,74.101ZM262.588,89.023L270.421,89.023L270.421,120.438L262.588,120.438L262.588,89.023ZM261.478,78.355C261.478,77.089 261.946,75.988 262.881,75.049C263.815,74.111 265.003,73.643 266.439,73.643C267.875,73.643 269.082,74.09 270.061,74.984C271.04,75.878 271.531,77.003 271.531,78.355C271.531,79.707 271.042,80.831 270.061,81.725C269.081,82.619 267.875,83.067 266.439,83.067C265.003,83.067 263.817,82.598 262.881,81.661C261.945,80.724 261.478,79.621 261.478,78.355ZM277.999,70.959L285.832,70.959L285.832,120.438L277.999,120.438L277.999,70.959ZM315.343,101.589C315.343,100.586 315.202,99.626 314.92,98.709C314.638,97.793 314.191,96.985 313.581,96.288C312.971,95.59 312.199,95.034 311.263,94.62C310.327,94.205 309.229,93.997 307.967,93.997C305.617,93.997 303.627,94.707 301.995,96.125C300.363,97.542 299.459,99.364 299.285,101.589L315.343,101.589ZM323.177,105.123L323.177,106.17C323.177,106.518 323.154,106.868 323.111,107.217L299.285,107.217C299.357,108.288 299.65,109.332 300.144,110.283C300.639,111.235 301.324,112.074 302.157,112.747C302.984,113.424 303.92,113.959 304.964,114.351C306.009,114.744 307.096,114.94 308.228,114.94C310.186,114.94 311.839,114.581 313.189,113.86C314.539,113.138 315.647,112.147 316.518,110.883L321.741,115.071C318.65,119.26 314.168,121.354 308.293,121.354C305.856,121.354 303.616,120.973 301.57,120.208C299.524,119.444 297.75,118.366 296.25,116.969C294.75,115.573 293.574,113.861 292.724,111.831C291.874,109.801 291.452,107.5 291.452,104.927C291.452,102.397 291.875,100.095 292.724,98.023C293.572,95.951 294.738,94.182 296.217,92.722C297.696,91.261 299.447,90.125 301.471,89.318C303.495,88.512 305.682,88.107 308.032,88.107C310.209,88.107 312.221,88.466 314.07,89.186C315.918,89.906 317.52,90.975 318.868,92.393C320.217,93.81 321.272,95.579 322.035,97.694C322.797,99.809 323.177,102.287 323.177,105.123ZM329.057,74.101L344.136,74.101C346.791,74.101 349.185,74.34 351.317,74.821C353.449,75.301 355.277,76.087 356.8,77.177C358.324,78.267 359.499,79.664 360.325,81.366C361.152,83.067 361.566,85.118 361.566,87.518C361.566,90.092 361.086,92.252 360.129,93.997C359.172,95.742 357.878,97.15 356.246,98.218C354.614,99.286 352.71,100.061 350.534,100.542C348.357,101.022 346.052,101.262 343.614,101.262L337.282,101.262L337.282,120.438L329.057,120.438L329.057,74.101ZM343.027,94.324C344.375,94.324 345.66,94.227 346.878,94.03C348.096,93.834 349.184,93.485 350.142,92.982C351.1,92.479 351.861,91.794 352.427,90.921C352.992,90.048 353.275,88.914 353.275,87.518C353.275,86.166 352.992,85.064 352.427,84.212C351.861,83.36 351.11,82.697 350.174,82.216C349.238,81.736 348.174,81.42 346.975,81.267C345.777,81.114 344.55,81.038 343.288,81.038L337.282,81.038L337.282,94.324L343.027,94.324ZM363.399,89.023L370.906,89.023L370.906,94.259L371.036,94.259C371.907,92.426 373.125,90.943 374.692,89.808C376.259,88.674 378.086,88.107 380.175,88.107C380.481,88.107 380.806,88.118 381.154,88.14C381.503,88.162 381.807,88.215 382.068,88.303L382.068,95.502C381.546,95.371 381.1,95.284 380.729,95.241C380.359,95.197 380.002,95.175 379.653,95.175C377.868,95.175 376.432,95.502 375.345,96.157C374.257,96.811 373.409,97.597 372.799,98.513C372.189,99.429 371.777,100.368 371.559,101.327C371.341,102.287 371.232,103.051 371.232,103.618L371.232,120.438L363.399,120.438L363.399,89.023ZM405.966,101.589C405.966,100.586 405.824,99.626 405.542,98.709C405.26,97.793 404.813,96.985 404.203,96.288C403.593,95.59 402.821,95.034 401.885,94.62C400.949,94.205 399.852,93.997 398.589,93.997C396.239,93.997 394.249,94.707 392.617,96.125C390.985,97.542 390.081,99.364 389.907,101.589L405.966,101.589ZM413.799,105.123L413.799,106.17C413.799,106.518 413.777,106.868 413.734,107.217L389.907,107.217C389.98,108.288 390.272,109.332 390.767,110.283C391.261,111.235 391.946,112.074 392.779,112.747C393.606,113.424 394.542,113.959 395.586,114.351C396.631,114.744 397.718,114.94 398.85,114.94C400.809,114.94 402.461,114.581 403.811,113.86C405.161,113.138 406.27,112.147 407.141,110.883L412.363,115.071C409.273,119.26 404.791,121.354 398.916,121.354C396.478,121.354 394.238,120.973 392.192,120.208C390.146,119.444 388.373,118.366 386.873,116.969C385.373,115.573 384.196,113.861 383.346,111.831C382.496,109.801 382.074,107.5 382.074,104.927C382.074,102.397 382.498,100.095 383.346,98.023C384.195,95.951 385.36,94.182 386.839,92.722C388.318,91.261 390.07,90.125 392.093,89.318C394.117,88.512 396.304,88.107 398.654,88.107C400.831,88.107 402.843,88.466 404.692,89.186C406.541,89.906 408.142,90.975 409.491,92.393C410.839,93.81 411.895,95.579 412.657,97.694C413.42,99.809 413.799,102.287 413.799,105.123ZM414.588,89.023L423.139,89.023L431.364,111.93L431.495,111.93L439.785,89.023L448.075,89.023L435.607,120.438L427.252,120.438L414.588,89.023ZM450.823,89.023L458.656,89.023L458.656,120.438L450.823,120.438L450.823,89.023ZM449.713,78.355C449.713,77.089 450.181,75.988 451.116,75.049C452.05,74.111 453.238,73.643 454.674,73.643C456.11,73.643 457.317,74.09 458.296,74.984C459.275,75.878 459.766,77.003 459.766,78.355C459.766,79.707 459.277,80.831 458.296,81.725C457.316,82.619 456.11,83.067 454.674,83.067C453.238,83.067 452.052,82.598 451.116,81.661C450.18,80.724 449.713,79.621 449.713,78.355ZM488.167,101.589C488.167,100.586 488.025,99.626 487.743,98.709C487.461,97.793 487.014,96.985 486.405,96.288C485.795,95.59 485.023,95.034 484.086,94.62C483.15,94.205 482.053,93.997 480.791,93.997C478.441,93.997 476.45,94.707 474.818,96.125C473.186,97.542 472.282,99.364 472.109,101.589L488.167,101.589ZM496,105.123L496,106.17C496,106.518 495.978,106.868 495.935,107.217L472.109,107.217C472.181,108.288 472.474,109.332 472.968,110.283C473.462,111.235 474.148,112.074 474.981,112.747C475.807,113.424 476.743,113.959 477.788,114.351C478.832,114.744 479.92,114.94 481.052,114.94C483.01,114.94 484.663,114.581 486.013,113.86C487.363,113.138 488.471,112.147 489.342,110.883L494.564,115.071C491.474,119.26 486.992,121.354 481.117,121.354C478.68,121.354 476.439,120.973 474.393,120.208C472.348,119.444 470.574,118.366 469.074,116.969C467.574,115.573 466.398,113.861 465.549,111.831C464.7,109.801 464.275,107.5 464.275,104.927C464.275,102.397 464.699,100.095 465.548,98.023C466.396,95.951 467.561,94.182 469.041,92.722C470.52,91.261 472.271,90.125 474.296,89.318C476.321,88.512 478.506,88.107 480.856,88.107C483.032,88.107 485.045,88.466 486.895,89.186C488.745,89.906 490.343,90.975 491.692,92.393C493.041,93.81 494.096,95.579 494.859,97.694C495.621,99.809 496,102.287 496,105.123ZM497.05,89.023L505.536,89.023L512.064,111.537L512.195,111.537L518.918,89.023L527.274,89.023L534.063,111.537L534.193,111.537L540.852,89.023L549.012,89.023L538.175,120.438L530.212,120.438L523.096,98.448L522.966,98.448L515.916,120.438L507.952,120.438L497.05,89.023ZM569.057,97.4C568.362,96.484 567.405,95.688 566.185,95.011C564.966,94.334 563.639,93.997 562.203,93.997C560.941,93.997 559.788,94.259 558.744,94.782C557.699,95.306 557.177,96.179 557.177,97.4C557.177,98.622 557.753,99.484 558.907,99.986C560.062,100.489 561.746,101 563.966,101.524C565.141,101.785 566.327,102.135 567.524,102.571C568.721,103.007 569.807,103.584 570.788,104.306C571.769,105.027 572.56,105.92 573.17,106.989C573.78,108.059 574.084,109.356 574.084,110.883C574.084,112.803 573.725,114.428 573.007,115.759C572.289,117.09 571.331,118.168 570.135,118.998C568.939,119.828 567.545,120.427 565.957,120.797C564.37,121.168 562.725,121.354 561.028,121.354C558.591,121.354 556.22,120.907 553.913,120.012C551.606,119.116 549.691,117.842 548.168,116.184L553.325,111.341C554.196,112.476 555.327,113.413 556.72,114.155C558.113,114.897 559.657,115.268 561.355,115.268C561.92,115.268 562.496,115.202 563.085,115.071C563.674,114.94 564.216,114.733 564.717,114.45C565.219,114.167 565.62,113.785 565.924,113.304C566.228,112.824 566.381,112.235 566.381,111.537C566.381,110.228 565.784,109.29 564.587,108.723C563.389,108.156 561.593,107.588 559.2,107.021C558.025,106.759 556.884,106.422 555.774,106.007C554.664,105.592 553.674,105.047 552.803,104.371C551.932,103.696 551.237,102.853 550.714,101.851C550.192,100.848 549.931,99.603 549.931,98.12C549.931,96.375 550.289,94.87 551.009,93.604C551.728,92.339 552.673,91.303 553.848,90.496C555.023,89.69 556.35,89.088 557.83,88.696C559.309,88.303 560.832,88.107 562.399,88.107C564.663,88.107 566.871,88.499 569.024,89.285C571.177,90.07 572.887,91.271 574.149,92.884L569.057,97.4Z" style="fill:rgb(16,131,255);"/>
-                </g>
-            </g>
-        </g>
-    </g>
-</svg>
diff --git a/docs/_static/sponsors/Tidelift.svg b/docs/_static/sponsors/Tidelift.svg
deleted file mode 100644
index 4d9247a9..00000000
--- a/docs/_static/sponsors/Tidelift.svg
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 180 60" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
-    <g transform="matrix(0.989348,0,0,0.968489,-0.174854,0.333293)">
-        <g id="Layer1">
-            <rect x="0.177" y="-0.344" width="181.938" height="61.952" style="fill:white;"/>
-        </g>
-    </g>
-    <g transform="matrix(0.416561,0,0,0.416667,90,30)">
-        <g id="Layer2">
-            <g transform="matrix(1,0,0,1,-216.055,-72)">
-                <g id="Artwork">
-                    <path d="M96,93.77L96,50.23C96,45.82 96,45.82 100.65,45.82C105.3,45.82 105.3,45.82 105.3,50.23L105.3,93.77C105.3,98.18 105.3,98.18 100.65,98.18C96,98.18 96,98.18 96,93.77Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M118.62,91.27L118.62,52.73C118.62,45.81 118.62,45.81 125.54,45.81L136.82,45.81C151.93,45.81 161.23,53.35 162.22,65.63C162.539,69.21 162.539,72.81 162.22,76.39C161.22,88.59 151.92,98.18 136.82,98.18L125.54,98.18C118.62,98.18 118.62,98.18 118.62,91.27ZM136.62,89.36C146.96,89.36 152.28,83.52 152.88,75.49C153.157,72.52 153.157,69.53 152.88,66.56C152.2,58.45 146.96,54.65 136.62,54.65L127.93,54.65L127.93,89.36L136.62,89.36Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M174.68,91.27L174.68,52.73C174.68,45.81 174.68,45.81 181.6,45.81L207.8,45.81C212.37,45.81 212.37,45.81 212.37,50.1C212.37,54.39 212.37,54.47 207.8,54.47L184,54.47L184,67.95L205.51,67.95C209.88,67.95 209.88,67.95 209.88,72.04C209.88,76.13 209.88,76.17 205.51,76.17L184,76.17L184,89.52L208,89.52C212.57,89.52 212.57,89.52 212.57,93.77C212.57,98.18 212.57,98.18 208,98.18L181.6,98.18C174.68,98.18 174.68,98.18 174.68,91.27Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M225.72,91.27L225.72,50.27C225.72,45.78 225.72,45.78 230.33,45.78C234.94,45.78 234.98,45.78 234.98,50.19L234.98,89.52L258.12,89.52C262.81,89.52 262.81,89.52 262.81,93.89C262.81,98.26 262.81,98.18 258.12,98.18L232.64,98.18C225.72,98.18 225.72,98.18 225.72,91.27Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M276,93.77L276,50.23C276,45.82 276,45.82 280.65,45.82C285.3,45.82 285.3,45.82 285.3,50.23L285.3,93.77C285.3,98.18 285.3,98.18 280.65,98.18C276,98.18 276,98.18 276,93.77Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M298.51,93.77L298.51,52.77C298.51,45.85 298.51,45.85 305.43,45.85L331.63,45.85C336.12,45.85 336.16,45.85 336.16,50.22C336.16,54.59 336.16,54.51 331.63,54.51L307.82,54.51L307.82,68.51L329.89,68.51C334.42,68.51 334.42,68.51 334.42,72.72C334.42,76.93 334.42,77.01 329.89,77.01L307.82,77.01L307.82,93.77C307.82,98.18 307.82,98.18 303.17,98.18C298.52,98.18 298.51,98.18 298.51,93.77Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M78.1,45.82L41.64,45.82C36.87,45.82 36.87,45.82 36.87,50.19C36.87,54.56 36.87,54.48 41.64,54.48L55.24,54.48L55.24,69.93L64.5,62.67L64.5,54.48L78.1,54.48C82.79,54.48 82.79,54.48 82.79,50.19C82.79,45.9 82.79,45.82 78.1,45.82Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M55.24,78.89L55.24,93.65C55.24,98.06 55.24,98.06 59.89,98.06C64.54,98.06 64.5,98.06 64.5,93.57L64.5,71.63L55.24,78.89Z" style="fill:rgb(246,145,77);fill-rule:nonzero;"/>
-                    <path d="M354,45.82L390.46,45.82C395.23,45.82 395.23,45.82 395.23,50.19C395.23,54.56 395.23,54.48 390.46,54.48L376.86,54.48L376.86,69.93L367.6,62.67L367.6,54.48L354,54.48C349.31,54.48 349.31,54.48 349.31,50.19C349.31,45.9 349.32,45.82 354,45.82Z" style="fill:rgb(75,81,104);fill-rule:nonzero;"/>
-                    <path d="M376.87,78.89L376.87,93.65C376.87,98.06 376.87,98.06 372.22,98.06C367.57,98.06 367.61,98.06 367.61,93.57L367.61,71.63L376.87,78.89Z" style="fill:rgb(246,145,77);fill-rule:nonzero;"/>
-                </g>
-            </g>
-        </g>
-    </g>
-</svg>
diff --git a/docs/_static/sponsors/Variomedia.svg b/docs/_static/sponsors/Variomedia.svg
deleted file mode 100644
index 02a13b26..00000000
--- a/docs/_static/sponsors/Variomedia.svg
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 180 60" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
-    <g id="Layer1">
-        <g transform="matrix(0.989348,0,0,0.968489,-0.174854,0.333293)">
-            <rect x="0.177" y="-0.344" width="181.938" height="61.952" style="fill:white;"/>
-        </g>
-        <g transform="matrix(0.916667,0,0,0.916667,90,30)">
-            <g transform="matrix(1,0,0,1,-57,-30)">
-                <g>
-                    <path d="M2.432,0.031C1.357,0.031 0.494,0.899 0.494,1.974C0.494,2.327 0.589,2.657 0.754,2.942L21.044,44.567L28.644,25.809L16.687,1.21C16.4,0.539 15.747,0.064 14.979,0.032L2.432,0.031Z" style="fill:rgb(51,134,170);fill-rule:nonzero;"/>
-                    <path d="M40.398,0.032C39.557,0.032 38.844,0.559 38.571,1.305L21.043,44.568L27.948,58.76C28.269,59.476 28.935,59.968 29.749,59.968C30.544,59.968 31.238,59.554 31.62,58.684L54.17,2.785C54.272,2.535 54.35,2.263 54.35,1.972C54.35,0.897 53.481,0.039 52.407,0.032L40.398,0.032Z" style="fill:rgb(42,194,186);fill-rule:nonzero;"/>
-                    <path d="M56.966,57.282C56.876,57.507 56.825,57.751 56.825,58.009C56.825,59.084 57.697,59.969 58.772,59.969L70.778,59.967C71.588,59.967 72.282,59.468 72.575,58.765L72.578,58.763L95.18,2.701C95.27,2.477 95.321,2.234 95.321,1.977C95.321,0.902 94.451,0.032 93.378,0.032L81.365,0.032C80.532,0.033 79.825,0.547 79.549,1.284L56.966,57.282Z" style="fill:rgb(236,30,121);fill-rule:nonzero;"/>
-                    <path d="M28.643,25.81L26.72,21.852L21.043,44.568L21.73,42.873L28.643,25.81Z" style="fill:rgb(39,102,128);fill-rule:nonzero;"/>
-                    <path d="M56.862,58.385L56.862,58.383C56.858,58.366 56.855,58.347 56.852,58.328L56.852,58.326C56.839,58.245 56.831,58.163 56.828,58.081L56.828,58.072C56.827,58.053 56.827,58.034 56.826,58.015L56.826,58.006C56.826,57.748 56.877,57.506 56.967,57.281C59.09,52.009 65.47,36.196 65.47,36.196L65.547,36.005L54.293,1.507C54.297,1.523 54.301,1.539 54.304,1.555C54.307,1.571 54.311,1.587 54.314,1.603L54.314,1.604C54.317,1.62 54.32,1.636 54.323,1.652L54.323,1.653C54.325,1.669 54.328,1.685 54.33,1.701L54.33,1.702C54.332,1.719 54.334,1.735 54.336,1.751L54.336,1.752C54.338,1.768 54.34,1.785 54.341,1.801L54.341,1.803C54.342,1.819 54.343,1.836 54.344,1.852L54.344,1.853C54.345,1.879 54.347,1.905 54.347,1.932L54.347,2.003C54.346,2.054 54.343,2.106 54.337,2.157C54.335,2.174 54.333,2.19 54.331,2.207C54.329,2.224 54.326,2.24 54.323,2.257L54.323,2.258C54.321,2.274 54.317,2.291 54.314,2.306L54.314,2.308C54.311,2.324 54.308,2.34 54.304,2.355L54.304,2.357C54.3,2.373 54.297,2.388 54.293,2.403C54.293,2.405 54.292,2.406 54.292,2.407C54.289,2.422 54.285,2.437 54.28,2.451C54.28,2.453 54.279,2.454 54.279,2.457C54.276,2.471 54.272,2.485 54.267,2.499C54.266,2.502 54.266,2.504 54.265,2.507C54.261,2.52 54.258,2.533 54.253,2.547C54.252,2.55 54.251,2.554 54.25,2.557C54.246,2.569 54.243,2.581 54.238,2.594C54.237,2.599 54.235,2.603 54.233,2.608C54.23,2.619 54.226,2.63 54.221,2.641C54.219,2.647 54.217,2.653 54.215,2.659C54.212,2.669 54.208,2.679 54.205,2.688C54.202,2.696 54.199,2.705 54.195,2.712C54.193,2.719 54.19,2.727 54.187,2.733C54.181,2.749 54.175,2.764 54.168,2.779L45.639,23.923L56.9,58.548C56.887,58.499 56.873,58.442 56.862,58.385Z" style="fill:rgb(177,23,91);fill-rule:nonzero;"/>
-                    <path d="M113.439,57.532L95.258,1.487C95.3,1.644 95.321,1.808 95.321,1.977C95.321,2.233 95.27,2.477 95.18,2.701L88.199,20.019L86.623,23.929L97.895,58.605C98.145,59.393 98.881,59.969 99.751,59.969L111.574,59.969C112.641,59.969 113.506,59.097 113.506,58.027C113.506,57.854 113.482,57.692 113.439,57.532Z" style="fill:rgb(177,23,91);fill-rule:nonzero;"/>
-                    <path d="M88.483,29.656L86.622,23.929L95.162,2.747L88.483,29.656Z" style="fill:rgb(132,18,69);fill-rule:nonzero;"/>
-                    <path d="M47.504,29.656L45.641,23.93L54.186,2.748L47.504,29.656Z" style="fill:rgb(132,18,69);fill-rule:nonzero;"/>
-                    <path d="M63.682,30.29L65.546,36.006L57.003,57.189L63.682,30.29Z" style="fill:rgb(132,18,69);fill-rule:nonzero;"/>
-                </g>
-            </g>
-        </g>
-    </g>
-</svg>