GitLab

* refactor docs structures

* refactor zh_cn docs

* fix docs

* refactor datasets structures

* minor fix

* update vis doc

* support bev visualization and update proj_3d visualization

* fix bugs

* fix comments and add visualizer in dataset config

* fix comments

* add draw_points_on_image sample

* fix ci

* remove mkdir_or_exist

* update vis doc

* fix structure

* add version for m2r

* read docs

* add log

* api.rst

* fix api.rst

* fix the doc

* refactor en doc dir

* add rst for en

* fix rest

* add chs

* fix lint