GitLab

* Update mmdet minimum version

* Update build.yml

* mminstall.txt

* Update mmseg minimum version

* Bump to v0.15.0

* fix typo, specific bugfix, install version

* fix LoadMultiViewImageFromFiles

* compatibility about mmcv version

* 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

* [Fix] Updating mmcv_version to be consistent with mmseg and to support MMCLI

* updating get_started.md

* updating mminstall to be the pip requirement format

* [Enhance] Support MMCLI

* changing the mmdet version in mminstall.txt

* Update mminstall.txt

Set mmdet upper bound to 2.11.0
Co-authored-by: Wenwei Zhang <40779233+ZwwWayne@users.noreply.github.com>