feat: add disconnect behaviour

mainwindow.h

@@ -57,6 +57,8 @@ private slots:
 
     void slotConnectionState(bool flag);
 
+    void slotServerDisconnect();
+
 private:
     Ui::MainWindow *ui;
     QTranslator translator;
@@ -83,5 +85,6 @@ private:
     void checkLanguage(QString language);
     void autoStart();
     void loadStaticData();
+    void bindClient();
 };
 #endif // MAINWINDOW_H