Add package properties.

Author: bgrainger

src/PlaygroundLibrary/PlaygroundLibrary.csproj

@@ -1,7 +1,26 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
+    <VersionPrefix>0.1.0</VersionPrefix>
     <TargetFramework>netstandard2.0</TargetFramework>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <Title>Playground Library</Title>
+    <Description>Simple library to test publishing with GitHub Actions.</Description>
+    <Copyright>Copyright 2019 Bradley Grainger</Copyright>
+    <Authors>Bradley Grainger</Authors>
+    <PackageProjectUrl>https://github.com/mysql-net/Playground</PackageProjectUrl>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <RepositoryType>git</RepositoryType>
+    <RepositoryUrl>https://github.com/mysql-net/Playground.git</RepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <DebugType>portable</DebugType>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19367-01" PrivateAssets="All"/>
+  </ItemGroup>
+
 </Project>