* change docs from 1.x to main
* bump version
* update readme status info and highlights
* revert version change
* fix dead links
* fix script
* fix docs
* fix building status
* fix md lint error
* upgrade to ubuntu20.04 for github ci
* Revert "upgrade to ubuntu20.04 for github ci"
This reverts commit 9c598f4857.
* update codebase md files
* upgrade to ubuntu20.04 for github ci
* fix
* fix requirements
* fix
* fix ci
* bump version
* fix
* fix pplnn torchscript
* fix building status
* fix ncnn
* fix
* remove circileci hold
* fix pytorch image
* simplify commands in get_started
* add installation commands for Windows
* fix typo
* limit markdown and sphinx_markdown_tables version
* adopt html <details open> tag
* bump mmdeploy version
* bump mmdeploy version
* update get_started
* update get_started
* use python3.8 instead of python3.7
* remove duplicate section
* resolve issue #856
* update according to review results
* add reference to prebuilt_package_windows.md
* fix error when build sdk demos
* checkout qq group qrcode
* update the cover image
* update build doc
* reorganize chapters
* update readme
* remove index of build on different platforms in readthedocs
* update benchmark
* update get started document in Chinese based on the prebuild package
* update get_started
* re-style benchmark
* update get_started in zh_cn
* update get_started in english
* update get_started in english
* update get_started in english
* update get_started doc
* update according to reviewer comments
* update linker ci
* fix(.github/scripts/check_doc_linker.py): skip code block
* specify PYTHONPATH
* update get_started
* update diagram
* rename some documents
* fix according to reviewer comments
Co-authored-by: tpoisonooo <khj.application@aliyun.com>