Add tip about using tabs with flyouts in Shell tabs documentation (#3121)

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: PureWeen <[email protected]>

Author: Copilot

docs/fundamentals/shell/tabs.md

@@ -1,7 +1,7 @@
 ---
 title: ".NET MAUI Shell tabs"
 description: "Learn how to customize and control a .NET MAUI TabBar, which represents the bottom tab bar in a .NET MAUI Shell app."
-ms.date: 08/30/2024
+ms.date: 11/28/2025
 ---
 
 # .NET MAUI Shell tabs
@@ -15,6 +15,9 @@ A <xref:Microsoft.Maui.Controls.TabBar> object can contain one or more <xref:Mic
 > [!IMPORTANT]
 > The <xref:Microsoft.Maui.Controls.TabBar> type disables the flyout.
 
+> [!TIP]
+> Tabs can be displayed with a flyout by adding multiple <xref:Microsoft.Maui.Controls.ShellContent> objects to a <xref:Microsoft.Maui.Controls.FlyoutItem> object or <xref:Microsoft.Maui.Controls.Tab> object. For more information, see [.NET MAUI Shell flyout](flyout.md#flyout-items).
+
 ## Single page
 
 A single page Shell app can be created by adding a <xref:Microsoft.Maui.Controls.Tab> object to a <xref:Microsoft.Maui.Controls.TabBar> object. Within the <xref:Microsoft.Maui.Controls.Tab> object, a <xref:Microsoft.Maui.Controls.ShellContent> object should be set to a <xref:Microsoft.Maui.Controls.ContentPage> object: