doc(readme): update some content for release (microsoft#123)

Improving NuGet package (microsoft#107)

* Adding initial full GH workflow

* Improving NuGet package

* Fix typo

* Removing nuget push

Co-authored-by: Aaron Wentzel <16669785+awentzel@users.noreply.github.com>

Merge pull request microsoft#86 from microsoft/users/eisenbergeffect/…

…prepare-0.4.0-release

chore: prepare 0.4.0 release

Merge pull request microsoft#69 from microsoft/awentzel-patch-4

Update package to new minor version in preparation for release update

Merge pull request microsoft#51 from microsoft/users/awentzel/bump-pa…

…ckage

update to bump package