Added release notes and icon to NuGet package

Author: Bart Koelman

src/JsonApiDotNetCore/JsonApiDotNetCore.csproj

@@ -12,11 +12,20 @@
     <PackageProjectUrl>https://www.jsonapi.net/</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
+    <PackageReleaseNotes>See https://github.com/json-api-dotnet/JsonApiDotNetCore/releases.</PackageReleaseNotes>
+    <PackageIcon>logo.png</PackageIcon>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <DebugType>embedded</DebugType>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Include="..\..\logo.png">
+      <Pack>True</Pack>
+      <PackagePath></PackagePath>
+    </None>
+  </ItemGroup>
+
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>