Added Backend Classes and FUnctions for an working Game. But lacking Implementations

GUI/src/scripts/logic/signalR/GameConnection.ts

@@ -2,9 +2,9 @@ import * as signalR from '@microsoft/signalr';
 
 class GameConnection{
   public connection: signalR.HubConnection
-  constructor(gameSession: string) {
+  constructor(playerName: string, joinCode: number | undefined) {
     this.connection = new signalR.HubConnectionBuilder()
-      .withUrl(`/gameHub?gameSession=${gameSession}`)
+      .withUrl("/api/gamehub")
       .withAutomaticReconnect()
       .build();
   }