Update publish-nuget.yml

Update humanizer dependency version and bump version. Fixes #18

Fix issue with skip generic naming when using description

Bump to version 2.1

Bump to version 2.1

Added github action to create and publish nuget package

fix2

Upgrade to .Net Core 3.1

NuGet release 1.3.0

Merge pull request #7 from SpatialFocus/feat/enum-description

Added Enum description for lookup #6