Initial WinUI switch.

Wino.Mail.WinUI/Views/WelcomePage.xaml.cs

@@ -0,0 +1,16 @@
+using CommunityToolkit.WinUI.Controls;
+using Wino.Views.Abstract;
+
+namespace Wino.Views;
+
+public sealed partial class WelcomePage : WelcomePageAbstract
+{
+    private readonly MarkdownConfig _config;
+
+    public WelcomePage()
+    {
+        InitializeComponent();
+
+        _config = new MarkdownConfig();
+    }
+}