New startup window.

Wino.Mail.WinUI/Views/WelcomePageV2.xaml.cs

@@ -0,0 +1,22 @@
+using Microsoft.UI.Xaml.Controls;
+using Wino.Views.Abstract;
+
+namespace Wino.Views;
+
+public sealed partial class WelcomePageV2 : WelcomePageV2Abstract
+{
+    public WelcomePageV2()
+    {
+        InitializeComponent();
+    }
+
+    private void OnFlipViewSelectionChanged(object sender, SelectionChangedEventArgs e)
+    {
+        FlipViewPager.SelectedPageIndex = UpdateFlipView.SelectedIndex;
+    }
+
+    private void OnPipsPagerSelectedIndexChanged(PipsPager sender, PipsPagerSelectedIndexChangedEventArgs args)
+    {
+        UpdateFlipView.SelectedIndex = sender.SelectedPageIndex;
+    }
+}