* Added Source Generator project
* Configure Source Generator project
* Make sure that we will use it just in NETSTANDARD1_0
* removed old build and csproj clean up
* fixed sample app
* added SG dll into Libs folder
* Added SourceGenerator project in all solutions
* Reference the SG dll
Co-authored-by: Brandon Minnick <13558917+brminnick@users.noreply.github.com>
Co-authored-by: Javier Suárez <javiersuarezruiz@hotmail.com>