GitLab

* [Docs] Refactor the structure of documentation

* [Docs] Refactor the structure of documentation

* fix symlink

* fix link

* fix typo

* polish docstring

* fix docstring

* [Docs] Update FAQ

* update faq

* polish the description

* update faq

* update faq

* improve the faq

* improve the faq

* improve the faq

* Remove _build directroy in docs_zh_CN

* Change utils title to Chinese

* Translate documents

* Translate documents

* Use symbolic link to avoid repeated images

* Use symbolic link to avoid repeated images

* fix readme.md

* update copyright

* refactor docs

* rename title to Chinese