* First commit

* add BaseTestTimeAugModel

* Add unit test

* move loop logic to test_step

* fix ddp test

* rename model to module

* optim __init__

* Fix as comment

* Fix as comment

* make val_step should not be called

* make tta do not inherit base model

* Fix unit test

* Enhance docstring

* Fix as comment

* Fix as comment

* minor refine

* minor refine

* minor refine

* fix unit test

* minor refine

* minor refine

* minor refine

* minor refine

* minor refine

* minor refine

* fix unit test

* Update config.md

* Update config.md

* [Refactor] Refactor fileio but without breaking bc

* handle compatibility

* fix format

* modify io functions

* fix ut

* fix ut

* rename method names

* refine

* refine docstring

* fix ut in windows

* update ut

* minor fix

* ensure client is not None when closing it

* add more examples for list_dir_or_file interface

* refine docstring

* refine deprecated info

* fix ut

* add a description for lmdb docstring

* [Feature] Support convert BN to SyncBN by config

* make unit test compatible with cpu

* Fix as comment

* fix unit test

* change signature of convert_sync_batchnorm: rename sync_bn to implemention

* fix unit test

* fix unit test

* [Docs] Fix api files of en docs

* minor fix

* [Docs] Fix outdated index

* update index.rst

* fix readme url

* [Docs] Add readthedocs.yml

* include torch in readthedocs.yml

* add torch torchvision in docs.txt

* [WIP] Refactor-docs-structure

* [Docs] Check link and fix rst  (#498)

* check link

* fix rst

* Fix conf.py

* Fix lint

* minor refine

* minor refine

* modify zh_readme and index.rst

* add migration exampls get_started design to en

* add tutorials to en

* correct chinese doc link

* Apply suggestions from code review

* Update docs/en/advanced_tutorials/distributed.md

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

Co-authored-by: Mashiro <57566630+HAOCHENYE@users.noreply.github.com>

* structure tutorials

* refine data element docs

* modify introduce

* fix comment

* fix comment

* fix comment

* migrate model

* fix title error

* refine as comment

* fix as comment

* minor refine

* Fix as comment

* Update docs/zh_cn/migration/migrate_model_from_mmcv.md

* Update docs/zh_cn/migration/migrate_model_from_mmcv.md

Co-authored-by: Qian Zhao <112053249+C1rN09@users.noreply.github.com>

* [Fix] fix the typo

* [Fix] add the missing argument

* add an example for gan training

* remove data element

* fix as comments

* add type_as

* fix as comment

* refine

* fix as comment

* add more descriptions

* fix as comment

* fix a api

* Add the distributed training script

* fix md format

* tmp commit

* refine docstring

* minor refine

* fix as comment

* add tutorial for merge_from_dict

* minor refine

* minor refine

* export md by jupyter

* temp add ipnb

* refine the docs

* remote ipynb

* fix as comment

* add change _base_.variable

* Fix as comment

* minor refine

* Fix as comment

* Fix as comment

* minor refine

* first commit

* tmp commit

* tmp commit

* tmp

* finish base module

* tmp commit

* tmp commit

* first finish

* minor refine

* clean the code

* delete design

* refine

* minor refine

* fix as comment

* fix as comment

* refine from jupyter notebook

* minor refine

* split model.md to model.md and initialize.md

* minor refine

* minor refine

* make link availiable

* fix as chengqi comment

* fix as chengqi comment

* fix link

* fix as wenwei comment

* Fix as comment

* Fix as comment

* Fix lint

* [Docs] Add data transform tutorials

* Rename `RandomMultiscaleResize` to `RandomChocieResize`.

* Imporve according to comments

* Add general data pipeline description.

* [Docs] Make API of docs clearer

* minor fix

* fix md format

* simpify logging tutorials

* minor refine

* minor refine

* refine index.rst

* fix as comment

* add description of by_epoch

* add log processor description

* minor refine

* minor refine

* Fix as comment

* Fix as comment

* Add a doc to explain how to migrate hook from mmcv

* update style

* update format

* Add functional changes of hooks

* fix table style

* refine

* fix typo

* docs(zh_cn/tutorials): add fileio tutorials

* Update docs/zh_cn/tutorials/fileio.md

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

* [Docs] Add data transform migration docs

* Imporve according to comments

* [Docs] cross library import examples.

* update

* resolve comments

* refine metric/evaluator doc

* resolve comments

* resolve comments

* Update demo in get started tutorial

* Update demo tutorial

* Refactor the pytorch demo

* Add outline and titles to the demo tutorial.

* Move file and change title

* Add shuffle in dataloader arguments.

* Improve according to comments

* add introduction of mmengine in get_started.md

* resolve comments

* resolve comments

* resolve comments

* resolve comments

* resolve comments

* resolve comments

* update figs

* [Docs] Refine registry docs

* explain how to use _scope_

* refine

* [Docs] Add resume training examples

* refine

* rename filename

* minor refinement

* fix comments

* resolve comments

* resolve comments

* add optimizer wrapper docs

* remove optimizer.md

* minor refine

* Fix as comment

* minor refine

* tmp save ipynb

* add default constructor docs

* remove ipynb

* fix as comment

* remove color charactor

* fix as comment

* Update basedataset.md

* Update basedataset.md

* Update basedataset.md

* Update basedataset.md

* Slight rephrase

Co-authored-by: Wenwei Zhang <40779233+ZwwWayne@users.noreply.github.com>

* [Doc] Migrate scheduler.

* [Doc] Migrate scheduler.

* update

* resolve comments

* resolve comments

* Add Visualizer tutorials

* Add Visualizer designs

* update

* update

* update

* fix commit

* add demo image

* simplify code according to #440 and add some results picture

* replace image url

* update

Co-authored-by: liukuikun <liukuikun@sensetime.com>