GitLab

* [Docs] Refactor the structure of documentation

* [Docs] Refactor the structure of documentation

* fix symlink

* fix link

* fix typo

* polish docstring

* fix docstring

* [Docs] Improve the style of pr.md

* fix symlink

* improve style

* fix format

* [Docs] Remove _static in docs_zh_CN

* fix html_static_path

* fix shpinx warning

* [Docs] Add PR document

* format

* idx modify

* revise according to comments

* add blank line

* grammar

* insert blank line after title

* revise according to comments

* revise according to comments

* typo

* resize image3

* lint

* del print

* fix lint

* del unused
Co-authored-by: zhouzaida <zhouzaida@163.com>