feat(ui): Tie selection

Added a minimal ui for the tie selection. Tie selection gets sent to the server via websocket and gets response from it.

knockoutwhistweb/app/model/sessions/UserWebsocketActor.scala

@@ -111,6 +111,7 @@ class UserWebsocketActor(
   }
 
   def transmitEventToClient(event: SimpleEvent): Unit = {
+    println("This event is getting transmitted to client (INSIDE transmitEventToClient")
     transmitJsonToClient(WebsocketEventMapper.toJson(event, session))
   }