GitLab

* refaictor CONTRIBUDING.MD

* refaictor CONTRIBUDING.MD

* fix source rvm shell command

* fix lint

* add chinese contributing.md

* fix error render

* fix error render

* refine description

* refine description

* minor refine

* install ffmpeg before ut

* Minor retfine

* Minor refine

* refine chinese contributing.md

* Refine

* Fix as comment

* Fix as comment

* restore pr.md

* minor refine

* minor refine

* update chinese CONTRIBUTING.md in root dir

* adjust imgae size

* update en CONTRIBUTING.md

* update en CONTRIBUTING.md

* update contributing.md in docs

* restore change of index.rst

* Fix as comment

* minor refine

* remove content in PR.md

* minor refine

* minor refine

* minor refine

* Fix as comment

* rename

* minor refine

* Use mdformat pre-commit hook

* allows consecutive numbering

* improve .mdformat.toml

* test mdformat

* format markdown

* minor fix

* fix codespecll

* fix circleci

* add linkify-it-py dependency for cicleci

* add comments

* replace flake8 url

* add mdformat-myst dependency

* remove mdformat-myst dependency

* update contributing.md

* [Docs] Translate contributing documentation

* polish translation

* fix typo

* fix typo

* add myst-parser extension for sphinx

* make note style more beautiful

* [Docs] Refactor documentation

* [Docs] Refactor documentation

* refactor docs

* refactor docs

* set sphinx==3.1.2

* fix typo

* modify according to comment

* modify according to comment

* modify according to comment

* [Docs] delete unnecessary file

* fix title

* rename

* rename

* polish CONTRIBUTING for all OpenMMLab projects

* polish some description

* update pre-commit hook config

* update the contributing guide