GitLab

* fix polarmix UT

* format

* rename SemanticKittiDataset

* add platte & fix data info bug

* fix ut

* fix semantic_kitti ut

* fix ut label_map

* fix ut label_map

* add indication

* add indication

* fix typo

* refactor leio

* update mmengine and mmcv version

* update

* update docs

* update version

* add panoptic loading

* update

* update

* update

* add semantic config

* fix tets

* fix test

* update

* get seg label mapping