* add docs for BaseDataset

* update docs

* update docs

* update basedataset.md

* resolve all comments

* update

* update

* refine base dataset doc

* resolve all comments

* update

* update

* update

* update

* update

* update

* update

Co-authored-by: MeowZheng <meowzheng@outlook.com>

* tmp add fileio

* ignore fileio mypy check error

* update isort

* update

* update comments

* update

* update

* update

* fix bug in use cases

* resolve all comments

* add description of basedatasample

* rename meta_info to metainfo as meta is an adj.

* update

* resolve comments

* clean set data

* finished doc

* rephrase

* update

* resolve comments

* more clear organization

* rephrase

* rephrase

* replace 基础数据元素 by 数据元素

* rephrase

* [Doc] Add scheduler user doc.

* reslove comments

* add chinese doc

* add update en doc

* resolve comments

* resolve comments

* update parameter scheduler

* resolve comments

* tmp remove en doc

* resolve comments

* resolve comments

* resolve comments

Co-authored-by: Kai Chen <chenkaidev@gmail.com>

* [Docs] Configure the documentation

* delete mypy.ini

* add config user doc

* add config user doc

* Fix typo

* fix typo

* reference mmcv

* fix typo

* fix typo

* Restructuring config.md

* Update introduction

Co-authored-by: Kai Chen <chenkaidev@gmail.com>

* Fix

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

* Update docs/zh_cn/tutorials/config.md

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

* Fix title level

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

* refactor the doc

* remove **bold** on titles

* Fix python comment

* Fix python comment

* Update docs/zh_cn/tutorials/config.md

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

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