Added functionality to host game and join a game in lobby. Host name and game name are not implemented yet.

#story[1087]

racevisionGame/src/main/java/mock/app/App.java

@@ -19,7 +19,7 @@ import java.io.IOException;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 
-public class App extends Application {
+public class App extends Application implements Runnable {
 
     /**
      * Entry point for running the programme
@@ -49,6 +49,10 @@ public class App extends Application {
         }
     }
 
+    public void run(){
+        launch();
+    }
+
 
 
 }