add actions to solution

Author: vpenades

SharpGLTF.sln

@@ -6,6 +6,7 @@ MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{29566B60-311D-42A0-9E8D-C48DECDD587F}"
 	ProjectSection(SolutionItems) = preProject
 		.editorconfig = .editorconfig
+		.github\workflows\dotnet.yml = .github\workflows\dotnet.yml
 		README.md = README.md
 		SharpGLTF.ruleset = SharpGLTF.ruleset
 	EndProjectSection