Initial WinUI switch.

Wino.Mail.WinUI/Views/Account/AccountManagementPage.xaml.cs

@@ -0,0 +1,15 @@
+using System;
+using Microsoft.UI.Xaml.Navigation;
+using Wino.Views.Abstract;
+
+namespace Wino.Views;
+
+public sealed partial class AccountManagementPage : AccountManagementPageAbstract
+{
+    public AccountManagementPage()
+    {
+        InitializeComponent();
+
+        NavigationCacheMode = NavigationCacheMode.Enabled;
+    }
+}