title: Is there a plan to support MappedDiagnosticsLogicalContext in NLog for Dotnet standard?
body: <p>Looking at the current code of NLog 5.0.0,  <a href="https://github.com/NLog/NLog/blob/5.0.0-beta05-test/src/NLog/MappedDiagnosticsLogicalContext.cs" rel="nofollow noreferrer">https://github.com/NLog/NLog/blob/5.0.0-beta05-test/src/NLog/MappedDiagnosticsLogicalContext.cs</a>, it won't support MappedDiagnosticsLogicalContext for .Net standard.
  So, I have a few related questions:</p>
  
  <ol>
  <li>Why is it not supported? </li>
  <li>Would it be in .net standard 2.0 ?</li>
  <li>What should I use instead? The MappedDiagnosticContext does not support all the async features as far as I know.</li>
  </ol>
  
  <p>Thanks.</p>