Add new style citation file (#9388)

CITATION

@@ -1,8 +0,0 @@
-@software{spacy,
-  author = {Honnibal, Matthew and Montani, Ines and Van Landeghem, Sofie and Boyd, Adriane},
-  title = {{spaCy: Industrial-strength Natural Language Processing in Python}},
-  year = 2020,
-  publisher = {Zenodo},
-  doi = {10.5281/zenodo.1212303},
-  url = {https://doi.org/10.5281/zenodo.1212303}
-}

CITATION.cff

@@ -0,0 +1,16 @@
+cff-version: 1.2.0
+preferred-citation:
+  type: article
+  message: "If you use spaCy, please cite it as below."
+  authors:
+  - family-names: "Honnibal"
+    given-names: "Matthew"
+  - family-names: "Montani"
+    given-names: "Ines"
+  - family-names: "Van Landeghem"
+    given-names: "Sofie"
+  - family-names: "Boyd"
+    given-names: "Adriane"
+  title: "spaCy: Industrial-strength Natural Language Processing in Python"
+  doi: "10.5281/zenodo.1212303"
+  year: 2020