Add package validation

Author: ronaldbarendse

Directory.Build.props

@@ -33,6 +33,15 @@
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <!-- Package Validation -->
+  <PropertyGroup>
+    <GenerateCompatibilitySuppressionFile>false</GenerateCompatibilitySuppressionFile>
+    <EnablePackageValidation>true</EnablePackageValidation>
+    <PackageValidationBaselineVersion>12.0.0</PackageValidationBaselineVersion>
+    <EnableStrictModeForCompatibleFrameworksInPackage>true</EnableStrictModeForCompatibleFrameworksInPackage>
+    <EnableStrictModeForCompatibleTfms>true</EnableStrictModeForCompatibleTfms>
+  </PropertyGroup>
+
   <ItemGroup>
     <Content Include="$(MSBuildThisFileDirectory)icon.png" Pack="true" PackagePath="" Visible="false" />
   </ItemGroup>