Merge core project into winui project.

Wino.Mail.WinUI/Dispatcher.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Threading.Tasks;
+using CommunityToolkit.WinUI;
+using Microsoft.UI.Dispatching;
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Mail.WinUI;
+
+public class WinUIDispatcher : IDispatcher
+{
+    private readonly DispatcherQueue _coreDispatcher;
+
+    public WinUIDispatcher(DispatcherQueue coreDispatcher)
+    {
+        _coreDispatcher = coreDispatcher;
+    }
+
+    public Task ExecuteOnUIThread(Action action) => _coreDispatcher.EnqueueAsync(action, DispatcherQueuePriority.Normal);
+}