Merge pull request #53 from AdmiralSnyder/patch-1

added .net 3.5 optional feature requirement.

Author: AArnott

CONTRIBUTION.md

@@ -15,3 +15,6 @@ There are two workarounds for this:
    This will prevent the design-time builds in Visual Studio from loading and locking
    the output of the CodeGeneration.Roslyn.Tasks project, allowing you to make changes
    to that project and build them.
+
+## Requirements
+If you're running on Windows 10, you need to install the .net 3.5 optional feature in order to compile the project.