add license tag so it can be submitted to open llm leaderboard (#2)

- add license tag so it can be submitted to open llm leaderboard (7fd2d11f646576256cdc47a9bce709727a5527ca)


Co-authored-by: mrfakename <[email protected]>

README.md

@@ -1,6 +1,6 @@
 ---
 library_name: transformers
-tags: []
+license: apache-2.0
 ---
 
 # Model Card for Model ID