* During the evaluation stage, Baichuan2 will raise type mismatch when training with bfloat16. Fix this issue by modifying modeling_baichuan.py. Add doc about how to modify this file.
* Change to 'pip install .. --extra-index-url' for readthedocs
* Change to 'pip install .. --extra-index-url' for examples
* Change to 'pip install .. --extra-index-url' for remaining files
* Fix URL for ipex
* Add links for ipex US and CN servers
* Update ipex cpu url
* remove readme
* Update for github actions
* Update for dockerfiles