Bring README.md into nuget package

Author: spouliot

appcompare.csproj

@@ -22,6 +22,10 @@
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Include="$(MSBuildThisFileDirectory)/README.md" Pack="true" PackagePath="/" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="CliWrap" Version="3.4.1" />
     <PackageReference Include="Spectre.Console" Version="0.43.0" />