* prefer install binray for opencv

* clean the code

* rename BinaryPeferredPackageIndex

* adjust minimum version of python

* clean the code

* remove duplicated CI

* Update CI

* Update CI

* restore python -m pip to pip

* refine

* [CI] Update Github Action CI and CircleCI

* clear outdated commands in CI

* clear outdated commands in CI

* add '-r' when installing packages from txt

* update

* update circleci

* fix mismatch conflicts

* update

* install system dependencies

* update

* set env

* fix ut

* update cuda version on Windows

* update push action

* [CI] Full tests

* Add github tests

* fix

* fix typo

Co-authored-by: zhouzaida <zhouzaida@163.com>

* Rename data to structure

* adjust the way to import module

* adjust the way to import module

* rename Structure to Data Structures in docs api

* rename structure to structures

* support using some modules of mmengine without torch

* fix circleci config

* fix circleci config

* fix registry ut

* minor fix

* move init method from model/utils to model/weight_init.py

* move init method from model/utils to model/weight_init.py

* move sync_bn to model

* move functions depending on torch to dl_utils

* format import

* fix logging ut

* add weight init in model/__init__.py

* move get_config and get_model to mmengine/hub

* move log_processor.py to mmengine/runner

* fix ut

* Add TimeCounter in dl_utils/__init__.py

* Replace markdownlint with mdformat to avoid installing ruby

* fix circleci

* try to fix lint

* upgrade yapf version

* use another way to bypass yapf

* update docstring

* Add circleci

* fix typo

* lower required coverage

* support initialzing distributed environemtn without GPUs

* fix unit tests

* add approval for running gpu tests

* add approval for running gpu tests

* fix unit tests

* fix unit tests