Co-authored-by: NRoman Donchenko <roman.donchenko@intel.com>

* update documentation sorting

* update README.md and documentation

* fix linter errors

* update name sections

* fix links

* fix linter errors

* add 3D task documentation

* update documentation

* fix conflict README.md

* fix linter error v1

* update documentation

* fix mistakes

* update creating an annotation task section

* rename section

* fix numeration

* fix mistakes

* update docs

* fix grammar

* delete info about not implemented features

* fixed comments
Co-authored-by: NAndrey Zhavoronkov <andrey.zhavoronkov@intel.com>
Co-authored-by: Nkirill.sizov <kirill.sizov@intel.com>

* update documentation sorting

* update README.md and documentation

* fix linter errors

* update name sections

* fix links

* fix linter errors

* add 3D task documentation

* update documentation

* fix conflict README.md

* fix linter error v1

* fix numeration

* update documentation sorting

* update README.md and documentation

* fix linter errors

* update name sections

* fix links

* fix linter errors

* update developing section

* fix link and mistake

* rename developing and contributing section

* fix incorrect links

* fix link on cvat.jpg

* Update site/content/en/docs/_index.md
Co-authored-by: NNikita Manovich <nikita.manovich@intel.com>

* fix README.md add cvat.jpg

* fix button "edit this page" and "create this page"

* fixed documentation workflow (#3217)

* fix block cover on about page

* fix linter error
Co-authored-by: NAndrey Zhavoronkov <andrey.zhavoronkov@intel.com>