* Rename bigdl/llm to ipex_llm * rm python/llm/src/bigdl * from bigdl.llm to from ipex_llm
* [LLM] Support CPU Deepspeed distributed inference * Update run_deepspeed.py * Rename * fix style * add new codes * refine * remove annotated codes * refine * Update README.md * refine doc and example code