Add initial project structure and configuration files for Marechai.App

Marechai.App/Platforms/iOS/Main.iOS.cs

@@ -0,0 +1,18 @@
+using UIKit;
+using Uno.UI.Hosting;
+
+namespace Marechai.App.iOS;
+
+public class EntryPoint
+{
+    // This is the main entry point of the application.
+    public static void Main(string[] args)
+    {
+        var host = UnoPlatformHostBuilder.Create()
+        .App(() => new App())
+        .UseAppleUIKit()
+        .Build();
+
+        host.Run();
+    }
+}