Added sample-commands to AppShell

Author: szv

part5-maui-controls-demo/AppShell.xaml

@@ -11,6 +11,36 @@
             <Label Text="MauiControlsDemo" FontSize="18" Padding="15" HorizontalOptions="Center" />
         </DataTemplate>
     </Shell.FlyoutHeaderTemplate>
+    <!--<FlyoutItem Title="Home">
+        <ShellContent
+            Title="Home"
+            ContentTemplate="{DataTemplate pages:MainPage}"
+            Route="MainPage" />
+        <ShellContent
+            Title="About"
+            ContentTemplate="{DataTemplate pages:AboutPage}"
+            Route="AboutPage" />
+    </FlyoutItem>
+    <FlyoutItem Title="About">
+        <ShellContent
+            Title="Home"
+            ContentTemplate="{DataTemplate pages:MainPage}"
+            Route="MainPage" />
+        <ShellContent
+            Title="About"
+            ContentTemplate="{DataTemplate pages:AboutPage}"
+            Route="AboutPage" />
+    </FlyoutItem>-->
+
+    <!--<TabBar>
+        <Tab Title="Home">
+            <ShellContent ContentTemplate="{DataTemplate pages:MainPage}" />
+        </Tab>
+        <Tab Title="About">
+            <ShellContent ContentTemplate="{DataTemplate pages:AboutPage}" />
+        </Tab>
+    </TabBar>-->
+    
     <ShellContent
         Title="Home"
         ContentTemplate="{DataTemplate pages:MainPage}"