use .NET library websocket-sharp

rule:
  meta:
    name: use .NET library websocket-sharp
    namespace: communication/websocket
    authors:
      - mehunhoff@google.com
    scopes:
      static: file
      dynamic: unsupported  # requires .NET Namespace feature
    references:
      - https://github.com/sta/websocket-sharp
  features:
    - or:
      - namespace: WebSocketSharp