feat(user-sessions): implemented interactivity

knockoutwhistweb/app/logic/PodManager.scala

@@ -6,6 +6,7 @@ import de.knockoutwhist.control.controllerBaseImpl.BaseGameLogic
 import di.KnockOutWebConfigurationModule
 import logic.game.GameLobby
 import model.users.User
+import util.GameUtil
 
 import javax.inject.Singleton
 import scala.collection.mutable
@@ -27,7 +28,7 @@ class PodManager {
                 ): GameLobby = {
     val gameLobby = GameLobby(
       logic = BaseGameLogic(injector.getInstance(classOf[Configuration])),
-      id = java.util.UUID.randomUUID().toString,
+      id = GameUtil.generateCode(),
       internalId = java.util.UUID.randomUUID(),
       name = name,
       maxPlayers = maxPlayers,