Refactor match handling and session management; add player session functionality and update event handling in WebUI

knockoutwhistweb/app/controllers/sessions/PlayerSession.scala

@@ -0,0 +1,12 @@
+package controllers.sessions
+
+import de.knockoutwhist.utils.events.SimpleEvent
+
+import java.util.UUID
+
+trait PlayerSession {
+  
+  def id: UUID
+  def updatePlayer(event: SimpleEvent): Unit
+  
+}