code: def _insert_options(self, menu):
          
          menu.append(Gtk.SeparatorMenuItem())
          menu.append(self._menuitem(
              _('Mount disc image'),
              self._icons.get_icon('losetup', Gtk.IconSize.MENU),
              run_bg(lambda _: self._losetup())
          ))
          menu.append(Gtk.SeparatorMenuItem())
          menu.append(self._menuitem(
              _("Enable automounting"),
              icon=None,
              onclick=lambda _: self._daemon.automounter.toggle_on(),
              checked=self._daemon.automounter.is_on(),
          ))
          menu.append(self._menuitem(
              _("Enable notifications"),
              icon=None,
              onclick=lambda _: self._daemon.notify.toggle(),
              checked=self._daemon.notify.active,
          ))
          # append menu item for closing the application
          if self._quit_action:
              menu.append(Gtk.SeparatorMenuItem())
              menu.append(self._menuitem(
                  _('Quit'),
                  self._icons.get_icon('quit', Gtk.IconSize.MENU),
                  lambda _: self._quit_action()
              ))
docs: Add configuration options to menu.