Added coverlet

Author: thviQit

QueueIT.QueueToken.Tests/QueueIT.QueueToken.Tests.csproj

@@ -5,6 +5,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="coverlet.msbuild" Version="2.6.1">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="xunit" Version="2.4.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0">
       <PrivateAssets>all</PrivateAssets>