[ADD] added joining lobbies

Client/Views/GameWindow.xaml.cs

@@ -113,5 +113,10 @@ namespace Client.Views
             string user = data.User.Username; 
             SentMessage.AppendText($"{user}: {message}\n");
         }
+
+        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
+        {
+
+        }
     }
 }

Client/Views/MainWindow.xaml.cs

@@ -33,18 +33,7 @@ namespace Client
         private void Button_Click(object sender, RoutedEventArgs e)
         {
 
-            Lobby lobbySelected = LobbyList.SelectedItem as Lobby;
-            if(lobbySelected != null)
-            {
-                testLabel.Content = lobbySelected.ID;
-                colorSelection.IsEnabled = false;
-                joinButton.IsEnabled = false;
-                hostButton.IsEnabled = false;
-
-                GameWindow window = new GameWindow();
-                window.Show();
-                Close();
-            }
+            
         }
     }
 }