* Quality Week 2022: The First Step to a Better Documentation.

* Removed the Markdown Extension's additional development tags.

* Removed redundant stuff.

* Removed redundant stuff.

* Removed guide testing versions to avoid confusion that they would be the only supported versions.

* Addressed some Powershell comments, added a pointer to a yaml with links to other .NET sibling repos, and did a couple mini-corrections. Still got a few comments to address...

* Fixed a ';:' with Powershell's syntax.

* Addressed review comments: Redaction improvements, localization url's, improved code snippets, added info on individual subsets building configurations, changed COMPlus for DOTNET, and other misc improvements.

* Addressed remaining comments.

* Addressed some last comments regarding corerun, and the subset flags in the build scripts.
Co-authored-by: NIvan Diaz <bluehorizon186@gmail.com>