Add "diffree" as library_name in model card metadata (#1)

- Add "diffree" as library_name in model card metadata (83a8c971d3146f06f0019dc10543e3e2e40cf519)


Co-authored-by: Lucain Pouget <Wauplin@users.noreply.huggingface.co>

README.md

@@ -1,4 +1,5 @@
 ---
+library_name: diffree
 license: apache-2.0
 language:
 - en