Add Community Toolkit example

CommunityToolkitExample/Program.cs

@@ -0,0 +1,25 @@
+using Microsoft.Extensions.DependencyInjection;
+using Terminal.Gui;
+
+namespace CommunityToolkitExample;
+
+public static class Program
+{
+    public static IServiceProvider Services { get; private set; }
+
+    private static void Main (string [] args)
+    {
+        Services = ConfigureServices ();
+        Application.Init ();
+        Application.Run (Services.GetRequiredService<LoginView> ());
+        Application.Shutdown ();
+    }
+
+    private static IServiceProvider ConfigureServices ()
+    {
+        var services = new ServiceCollection ();
+        services.AddTransient<LoginView> ();
+        services.AddTransient<LoginViewModel> ();
+        return services.BuildServiceProvider ();
+    }
+}