add to root of repository

Directory.Build.props

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <PropertyGroup>
+    <NoWarn>$(NoWarn);NU5125</NoWarn>
+  </PropertyGroup>
+
+  <Import Project="Sdk.props" Sdk="Microsoft.DotNet.Arcade.Sdk" />
+
+  <PropertyGroup Condition="'$(CopyrightMicrosoft)' != ''">
+    <Copyright>$(CopyrightMicrosoft)</Copyright>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+  </PropertyGroup>
+</Project>

Directory.Build.targets

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <Import Project="Sdk.targets" Sdk="Microsoft.DotNet.Arcade.Sdk" />
+</Project>

src/Directory.Build.props

@@ -4,6 +4,5 @@
     <VSSDKTargetPlatformRegRootSuffix>Exp</VSSDKTargetPlatformRegRootSuffix>
     <Configuration Condition="'$(Configuration)' == ''">Debug</Configuration>
     <DebugType Condition="'$(Configuration)' == 'Debug'">Full</DebugType>
-     <PackageLicenseExpression>MIT</PackageLicenseExpression>
   </PropertyGroup>
 </Project>