add sourcelink and include readme in build

Author: mvdgun

AuthorizationChecker/AuthorizationChecker.csproj

@@ -12,9 +12,17 @@
         <PackageTags>sharpgrip;authorization;authorization-checker</PackageTags>
     </PropertyGroup>
 
+    <ItemGroup>
+        <None Include="..\README.md" Pack="true" PackagePath="\" />
+    </ItemGroup>
+
     <ItemGroup>
       <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.0" />
       <PackageReference Include="Microsoft.Extensions.Options" Version="3.0" />
+      <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
+        <PrivateAssets>all</PrivateAssets>
+        <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      </PackageReference>
     </ItemGroup>
 
 </Project>