Extract everything that has to do with Maui from the Razor Class Library

Author: Joe Shook

UdapEdAppMaui/Services/MainPageService.cs

@@ -0,0 +1,19 @@
+#if WINDOWS
+using WinUIEx;
+#endif
+using UdapEd.Shared.Services;
+
+namespace UdapEdAppMaui.Services;
+
+public sealed class MainPageService : IMainPageService
+{
+    public void BringToFront()
+    {
+#if WINDOWS
+        var mauiWindow = Application.Current?.Windows.FirstOrDefault();
+        var window = mauiWindow?.Handler?.PlatformView as Microsoft.UI.Xaml.Window;
+        window?.SetForegroundWindow();
+#endif
+        // No-op on other platforms
+    }
+}