GitLab

* Refactor get_started.md primarily

* Create data_preparation.md

* Refactor model_zoo.md

* Remove the title

* Put Data Preparation under Get Started

* Adjust the level of Model Zoo

* Create 1_exist_data_model.md

* Create 2_new_data_model.md

* Update 1_exist_data_model.md

* Create useful_tools.md

* Update index.rst

* Delete install.md

* Adjust the order of get started subsections

* First complete version for customized datasets

* Update Tutorial 1

* Moved into Tutorials

* Update titles of tutorial 3

* Update 2_new_data_model.md

* Update 1_exist_data_model.md

* Update links to relative paths

* Tutorial 2 revised

* Delete finetune.md

* Create customize_models.md

* Create customize_runtime.md

* Update index.rst

* Update waymo.md

* Delete new_modules.md

* Preliminary update

* Update customize_models.md

* Update useful_tools.md

* Update title

* Fix a typo of tutorial 4

* Update level of titles

* Merge verification and demo

* Update 1_exist_data_model.md

* Update [Dataset Conversion]

* Update 2_new_data_model.md

* Update customize_dataset.md

* Update the example of customized dataset

* Update customize_dataset.md

* Enhance the doc structure

* Update README.md

* Change the abs path to relative path

* add op fps with distance

* add op fps with distance

* modify F-DFS unittest

* modify sa module

* modify sa module

* SA Module support D-FPS and F-FPS

* modify sa module

* update points sa module

* modify point_sa_module

* modify point sa module

* reconstruct FPS

* reconstruct FPS

* modify docstring

* add pointnet2-sa-msg backbone

* modify pointnet2_sa_msg

* fix merge conflicts

* format tests/test_backbones.py

* [Refactor]: Add registry for PointNet2Modules

* modify h3dnet for base pointnet

* fix docstring tweaks

* fix bugs for config unittest
Co-authored-by: ZwwWayne <wayne.zw@outlook.com>

* Refine docs and license

* Change order of install

* Clean unnecessary requirements

* Install mmdet manually in readthedocs

* delete mmdet install

* reformat docstring in code

* Refine docs

* Reformat

* fix format issue