[FEAT] Add Xwin-LM

### Is your feature request related to a problem? / 你想要的功能和什么问题相关？

Feature request:

https://github.com/Xwin-LM/Xwin-LM

"...built-upon on the Llama2 base models, ranked TOP-1 on [AlpacaEval](https://tatsu-lab.github.io/alpaca_eval/). Notably, it's the first to surpass GPT-4 on this benchmark."

Firt to suprass GPT-4! Would be great to include this, if possblle.

https://tatsu-lab.github.io/alpaca_eval/

### Describe the solution you'd like. / 你想要的解决方案是什么？

Add Xwin-LM

### Describe alternatives you've considered. / 你考虑过的其他方案是什么？

_No response_

### Additional context / 其他信息

_No response_