Add reference to rich usage case 'norfair' in README

README.cn.md

@@ -307,4 +307,6 @@ Rich 可以渲染漂亮的回溯，比标准 Python 回溯更容易阅读，并
   使用Selenium和pytest使自动化和测试速度提高10倍，包括电池
 - [smacke/ffsubsync](https://github.com/smacke/ffsubsync)
   自动将字幕与视频同步
+- [tryolabs/norfair](https://github.com/tryolabs/norfair)
+  轻量级Python库，用于向任何检测器添加实时2D对象跟踪
 - +[还有很多](https://github.com/willmcgugan/rich/network/dependents)!

README.es.md

@@ -315,4 +315,6 @@ Aquí hay algunos proyectos que usan Rich:
   Automatice y pruebe 10 veces más rápido con Selenium y pytest. Baterias incluidas.
 - [smacke/ffsubsync](https://github.com/smacke/ffsubsync)
   Sincronice automáticamente los subtítulos con el video.
-- +¡[Muchos más](https://github.com/willmcgugan/rich/network/dependents)!
+- [tryolabs/norfair](https://github.com/tryolabs/norfair)
+- Libreria de Python para agregar tracking a cualquier detector.
+- +¡[Muchos más](https://github.com/willmcgugan/rich/network/dependents)!

README.md

@@ -326,4 +326,6 @@ Here are a few projects using Rich:
   Automate & test 10x faster with Selenium & pytest. Batteries included.
 - [smacke/ffsubsync](https://github.com/smacke/ffsubsync)
   Automagically synchronize subtitles with video.
+- [tryolabs/norfair](https://github.com/tryolabs/norfair)
+  Lightweight Python library for adding real-time 2D object tracking to any detector.
 - +[Many more](https://github.com/willmcgugan/rich/network/dependents)!