[file:] changed structure

MainWindow.axaml.cs

@@ -1,4 +1,5 @@
 using Avalonia.Controls;
+using Avalonia.Interactivity;
 
 namespace Logof_Client;
 
@@ -8,4 +9,9 @@ public partial class MainWindow : Window
     {
         InitializeComponent();
     }
+
+    private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
+    {
+        throw new System.NotImplementedException();
+    }
 }