Update README.md

add license so that can be added to leaderboard benchmarks:

https://huggingface.co./spaces/open-llm-leaderboard/open_llm_leaderboard
https://huggingface.co./spaces/BAAI/open_cn_llm_leaderboard
https://huggingface.co./spaces/OALL/Open-Arabic-LLM-Leaderboard
https://huggingface.co./spaces/eduagarcia/open_pt_llm_leaderboard
https://huggingface.co./spaces/upstage/open-ko-llm-leaderboard

README.md

@@ -1 +1,5 @@
+---
+library_name: transformers
+license: mit
+---
 This repository contains the model release for the use of [CPO](https://arxiv.org/abs/2401.08417), please find more details in [our github](https://github.com/fe1ixxu/CPO_SIMPO)!