v0.3.0
[NFC] fix typo applications/ and colossalai/ (#3735)
[chat] add performance and tutorial (#3786)
[chat] fix bugs in stage 3 training (#3759)
[chatgpt] add pre-trained model RoBERTa for RLHF stage 2 & 3 (#3223)
[Coati] first commit (#3283)
[chat] remove lm model class (#3653)
[chat] fix train_prompts.py gemini strategy bug (#3666)
[Doc] enhancement on README.md for chat examples (#3646)
[chat] set default zero2 strategy (#3667)
[chat] update reward model sh (#3578)
fix some spelling error with applications/Chat/examples/ (#3692)
[chat] typo accimulation_steps -> accumulation_steps (#3662)