[CacheControl] Added solution sub folder

NuGet-3ie.sln

 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CacheControl-test", "CacheControl-test\CacheControl-test.csproj", "{87621742-F6EE-457A-9ED4-6C450D462B3B}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Cache-Control", "Cache-Control", "{E16E4E26-9C4B-433E-90A3-BFAA852C0FFA}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{BA63D177-BE9E-41E0-89F5-3D134A26A604} = {E16E4E26-9C4B-433E-90A3-BFAA852C0FFA}
+		{87621742-F6EE-457A-9ED4-6C450D462B3B} = {E16E4E26-9C4B-433E-90A3-BFAA852C0FFA}
+	EndGlobalSection
 EndGlobal