Showing the favorites photos

The last thing we will do in this app is add a carousel to show the favorite photos. Add the following code to do so:

<StackLayout Grid.Row="1">
    <Label Margin="10" Text="Favorites" FontSize="Subtitle" FontAttributes="Bold" />
    <CarouselView ItemsSource="{Binding Favorites}" PeekAreaInsets="0,0,40,0" IndicatorView="Indicator">
        <CarouselView.ItemsLayout>
            <LinearItemsLayout Orientation="Horizontal" SnapPointsAlignment="Start" SnapPointsType="MandatorySingle" />
        </CarouselView.ItemsLayout>
         <CarouselView.EmptyViewTemplate>
             <DataTemplate>
                 <Label Text="No favorites selected" />
             </DataTemplate>
         </CarouselView.EmptyViewTemplate>
         <CarouselView.ItemTemplate>
             <DataTemplate...