fixing repository url

Author: MaximRouiller

src/Serilog.Sinks.Async/Serilog.Sinks.Async.csproj

@@ -18,6 +18,8 @@
     <PackageIconUrl>http://serilog.net/images/serilog-sink-nuget.png</PackageIconUrl>
     <PackageProjectUrl>https://serilog.net</PackageProjectUrl>
     <PackageLicenseUrl>http://www.apache.org/licenses/LICENSE-2.0</PackageLicenseUrl>
+    <RepositoryUrl>https://github.com/serilog/serilog-sinks-async</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
     <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
   </PropertyGroup>