GitLab

* add cylindrical voxelization & voxel feature encoder

* add cylindrical voxelization & voxel feature encoder

* add voxel-wise label & voxelization UT

* fix vfe

* fix vfe UT

* rename voxel encoder & add more test case

* fix type hint

* temporarily refactoring mmcv's voxelize and dynamic in mmdet3d for data_preprocesser

* fix vfe init bug & fix UT

* add grid_size & move voxelization code

* fix import bug

* keep radian to follow origin

* add doc string

* fix type hint

* rename gird shape & add comments

* fix UT

* rename voxelizationofGridshape & fix docstring