Docs extension, typo fixes, link fixes and additional link to documentation in the front page README for users unfamiliar with the About link convention, 3rd party projects added to docs page.
Checklist:
[x] The pull request is done against the latest development branch
[x] Only one feature/fix was added per PR and the code change compiles without warnings
Docs extension, typo fixes, link fixes and additional link to documentation in the front page README for users unfamiliar with the About link convention, 3rd party projects added to docs page.
Checklist: