GitLab

* Add code-spell hook to pre-commit

* Add code-spell hook to pre-commit and fix typos

* fix setup.cfg

* cnn.md translated

* polish translation

* polish translation
Co-authored-by: zhouzaida <zhouzaida@163.com>

* 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