[AppInfra] Add .editorconfig

Author: florinc

AppInfraDemo/.editorconfig

@@ -0,0 +1,4 @@
+[*.cs]
+
+# DV2002: Unmapped types
+dotnet_diagnostic.DV2002.severity = silent

AppInfraDemo/DemoApplication.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.27703.2042
+# Visual Studio Version 17
+VisualStudioVersion = 17.2.32630.192
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Modules", "Modules", "{02E0C5E1-5F9D-482A-AF46-7097C48A2C98}"
 EndProject
@@ -71,6 +71,11 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".App_Data", ".App_Data", "{
 EndProject
 Project("{F088123C-0E9E-452A-89E6-6BA2F21D5CAC}") = "DependencyValidation", "Infrastructure\DependencyValidation\DependencyValidation.modelproj", "{9D8284B2-4F4E-40F7-B194-3F16F4E1E51B}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{4A532F73-79FC-431C-B849-02EAF64507E2}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU