+ Changes dark theme changes to a different css to respect future docfx.css changes
+ Merge featherlight plugin into the dark theme

+ This commit also adds overwrites for CommandContexts; this allows for additional remarks for the class.

+ This gets rid of unnecessary compilation for the test project.

+ This change requires us to target the solution.
+ Due to docfx issues, we must specify a  upon metadata compilation.
    - Because of this, docfx may complain about missing targets.
    - If we don't target a specific TargetFramework, docfx will fail to recognize documents with multiple framework targets.
    - Further investigation may be required.

* Add guide for building the docs

* Add version to the footer of the docs

* fix links for readme

* change formatting of doc build readme

* proper capitalization of DocFX in readme

* Remove code tags around version

Temporary fix while waiting on dotnet/docfx#1254