private void MenuAdd_Clicked(object sender, EventArgs e)
        {
            AddRestaurantPage addRestoPage = new AddRestaurantPage();

            Navigation.PushAsync(addRestoPage);
        }
 private async void MenuTambahResto_Clicked(object sender, EventArgs e)
 {
     var pageTambah = new AddRestaurantPage();
     await Navigation.PushAsync(pageTambah);
 }