GitLab

* refactor docs structures

* refactor zh_cn docs

* fix docs

* refactor datasets structures

* minor fix

* support fast eval on waymo

* support waymo evaluatioin more flexible and faster

* support waymo evaluatioin more flexible and faster

* renames

* add docs

* add guides for multi-thread evaluation toolkit

* fix docstring

* add download link for idx2metainfo

* add docstring

* set convert_kitti_format=False in Lidar-based methods

* fix docs

* add docstring

* refactor en doc dir

* add rst for en

* fix rest

* add chs

* fix lint

* Merge English and Chinese doc into the same folder

* Add logo image back

* Add logo image back

* Add complete translation

* Refinements

* Fix comments

* Fix a minor typo
Co-authored-by: Tai-Wang <tab_wang@outlook.com>

* Chinese document structure alignment

* fix typos in compatibility.md