Fix `license` metadata (#1)

- Fix `license` metadata (e4812a5a873797c7d2daf2c77d13b585940aaad3)


Co-authored-by: Julien Chaumond <julien-c@users.noreply.huggingface.co>

README.md

@@ -1,8 +1,8 @@
 ---
-languages: 
+language: 
 - hr
 
-licenses:
+license:
 - cc-by-sa-4.0
 
 task_categories: