* Add markdown lint in pre-commit hook

* add markdown lint

* bump to v2.7.0

* update dates

* update version requirements

* rephrase

* resolve comments

* Add DETR readme.md

* update model zoo

* fix typo

* [docs] Add loss convention

* add example

* fixed backticks

* reduce code

* fixed lint

* Edit faq to add 30 series installation problem

* Update as per comment

* add stem_channels opt

* add ResNeSt

* fixed config

* fixed cascade config

* add precise BN

* add precise bn in test

* format precise bn

* update precise bn interval

* fixed eval config bug

* fixed precise interval

* change to return_loss=False

* add naive syncbn

* add naive syncbn

* rmo precise bn

* add range ms

* change to MMSyncBN

* add naive

* fixed loader

* reset test

* fixed faster config bug

* add no norm decay

* add baseline no norm decay

* set fronzen_stages=-1

* move import

* restore to official setting

* set to MMSyncBN

* update s101 pretrain

* update docs

* fixed config

* add backbone+head

* change fpn init

* add s101

* add s101

* revert fpn init

* add modelzoo, docstring, test

* fixed test

* fixed test

* add missing models

* update docstring

* add comment

* fixed markdownlint

Added instructions related to the docker version to ensure that user is not running into issues mentioned here https://github.com/NVIDIA/nvidia-docker/issues/1165

* add model stastics

* add modelzoo Statistics

* fix some title in READMD

* chmod

* update trouble shooting page to resolve segmentation fault

* resolve comments

* [Enhancement] Refactor Q&A

* fix typo

* fix cudatoolkit

* rename

* resovle cmts

* reanme

* fixed yaml

* add link

* bump to v2.6.0

* update version requirements

* Add README.md reference

* Fix README.md

* add rpn upgrade scripts for v2.5.0 compatibility

* rephrase docs

* edit mmdet.core.export docstring

* update doctest

* fix small bugs

* bump to v2.5.0

* update PR

* resolve comments

* clean unnecessary modification

* update bc breaking

* rephrase bc-breaking

* rephrase

* Fix mask rcnn stuck problem when there is no positive rois

* support non pos inference in cascade methods, link CU-49tawu

* print mmcv version in CI

* use mmcv repo to check wrappers

* change cpu build

* upgrade mmcv requirements and change ci back

* use pre-built whl in CI