packets can now be sent from client to match server

#story[1188]

racevisionGame/src/main/java/visualiser/Controllers/LobbyController.java

@@ -11,6 +11,7 @@ import javafx.scene.layout.AnchorPane;
 import visualiser.model.RaceConnection;
 
 import java.io.IOException;
+import java.net.DatagramSocket;
 import java.net.Socket;
 import java.net.URL;
 import java.util.ResourceBundle;
@@ -39,6 +40,9 @@ public class LobbyController extends Controller {
 
     private ObservableList<RaceConnection> connections;
 
+    //the socket for match browser
+    private DatagramSocket udpSocket;
+
 
     @Override
     public void initialize(URL location, ResourceBundle resources) {
@@ -120,7 +124,8 @@ public class LobbyController extends Controller {
     /**
      * Enter the lobby page.
      */
-    public void enterLobby(){
+    public void enterLobby(DatagramSocket udpSocket){
         lobbyWrapper.setVisible(true);
+        this.udpSocket = udpSocket;
     }
 }