* Remove top-level build scripts in favor of project specific scripts
* Add more build scripts and move top-level to eng
* Fix path in Powershell script
* Update BuildDirectory for CI jobs
* Fix paths in restore scripts and jobs
* Address feedback from peer review
* Fix references to Html.Abstractions
* Update baseline files with new project
* Fix a few more broken links
* !fixup! Correct Build.props and regen project references
* Update docs and fix public api modification check

Co-authored-by: Doug Bunting <6431421+dougbu@users.noreply.github.com>