feat(websocket)!: Implement WebSocket connection and event handling (#82)

Co-authored-by: LQ63 <lkhermann@web.de>
Reviewed-on: #82
Co-authored-by: Janis <janis.e.20@gmx.de>
Co-committed-by: Janis <janis.e.20@gmx.de>

knockoutwhistweb/app/auth/AuthAction.scala

@@ -15,13 +15,6 @@ class AuthAction @Inject()(val sessionManager: SessionManager, val parser: BodyP
 
   override def executionContext: ExecutionContext = ec
 
-  protected def getUserFromSession(request: RequestHeader): Option[User] = {
-    val session = request.cookies.get("sessionId")
-    if (session.isDefined)
-      return sessionManager.getUserBySession(session.get.value)
-    None
-  }
-  
   override def invokeBlock[A](
                                request: Request[A],
                                block: AuthenticatedRequest[A] => Future[Result]
@@ -33,5 +26,12 @@ class AuthAction @Inject()(val sessionManager: SessionManager, val parser: BodyP
         Future.successful(Results.Redirect(routes.UserController.login()))
     }
   }
+
+  protected def getUserFromSession(request: RequestHeader): Option[User] = {
+    val session = request.cookies.get("sessionId")
+    if (session.isDefined)
+      return sessionManager.getUserBySession(session.get.value)
+    None
+  }
 }