This is a documentation-only update so automerging. Please review the commit if there are any follow-ups requested.
* Update .gitignore for docfx genertated files
* Update documenation (part 1)
* Update docs and add some samples
* More doc updates
This is documentation changes only so I'm just going to merge directly. The PR is for FYI purposes. Please leave feedback on the commit if you see anything I should follow-up on with this documentation.