renew qwen2 prompt, docs

Merge branch 'main' of https://github.com/rachelxhoot/MindEaseAI

new config for ecs

Update config.yaml

update for ECS 阿里云

Merge branch 'main' of https://github.com/rachelxhoot/MindEaseAI

save chat histroy by time

Update requirements.txt

Update README.md

deprecate Ipex, apply OpenVINOLLM

Update utils.py

Update prepare.py

add save chat history

Update requirements.txt

Update prepare.py