* Support changing value of dict in config(without base config)

* minor refine

* Support use 'global var' in config function

* upload test file

* first commit

* Support modify base config and add unit test

* remove import mmengine in config

* add unit test

* fix lint

* add unit test

* move RemoveAssignFromAST to config utils

* git add utils

* fix format issue in test file

* refine unit test

* refine unit test

* Add pyupgrade pre-commit hook

* fix ut

* remove comments

* add import error information

* Update config with newest mmcv

* add empty line to test config

* fix config

* add docstring and unit test

* update tutorial

* update tutorial

* fix markdown format

* fix markdown format

* Config support deep copy

* Fix end of line

* add config test

* Fix typo

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

* Update tests/config/test_config.py

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

* Reconstruct config test

* Fix import logic and error test

* Fix path error

* Restructuring Config

* simplify test logic

simplify test logic

* add config

* [Feature] Add Config

* fix lint

* remove test_config

* cancel change to pre-commit yaml

* solve conflict

* fix comments

* merge main

* fix lint

* update

* remove some magic docs

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* add deprecation test

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* Update mmengine/config/config.py

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

* update

* fix mypy

* fix lint

* fix super

* improve ut coverage

* add test dump

Co-authored-by: HAOCHENYE <21724054@zju.edu.cn>
Co-authored-by: Mashiro <57566630+HAOCHENYE@users.noreply.github.com>
Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>