Cleaning up the solution. Separating Shared.WinRT, Services and Synchronization. Removing synchronization from app. Reducing bundle size by 45mb.

Wino.Messaging/Client/Shell/ShellStateUpdated.cs

@@ -0,0 +1,7 @@
+namespace Wino.Messaging.Client.Shell
+{
+    /// <summary>
+    /// When reading mail state or reader pane narrowed state is changed.
+    /// </summary>
+    public record ShellStateUpdated;
+}