feat(ui): UI now shows player names instead of their id (#11)

Reviewed-on: #11

knockoutwhistweb/app/controllers/sessions/AdvancedSession.scala

@@ -6,6 +6,9 @@ import de.knockoutwhist.utils.events.SimpleEvent
 import java.util.UUID
 
 case class AdvancedSession(id: UUID, player: AbstractPlayer) extends PlayerSession {
+  
+  def name: String = player.name
+  
   override def updatePlayer(event: SimpleEvent): Unit = {
   }
 }