GitLab

* [Enhance] Use PyTorch Sphinx Theme

* refine English docs

* refine Chinese docs

* fix type in Chinese docs

* Add mmseg in the doc config files

* Remove mocked cv2

* Add opencv-python

* Remove mocked imports

* Add mminstall requirements

* Remove mocked imports correspondingly

* Fix mmdet versions

* Fix mmseg version

* add model stastics

* add model stastics and polish docs

* add model stastics and polish docs

* fix

* chmod +x stat.py

* Update doc requirements

* Resolve API issue in readthedocs

* Fix package order

* Update requirements

* Update sphinx

* Add mock