Initial commit

App/UI/MainWindow.cs

@@ -0,0 +1,15 @@
+namespace App.UI;
+
+public class MainWindow
+{
+    public Adw.Window Window { get; }
+
+    public MainWindow()
+    {
+    var builder = Gtk.Builder.NewFromFile("UI/MainWindow.xml");
+        var window = builder.GetObject("main_window") as Adw.Window;
+        if (window == null)
+            throw new Exception("Failed to load main_window from MainWindow.ui");
+        Window = window;
+    }
+}