Clean up and polish release

- Nice popup UI with proper positioning
- Professional README with badges
- Remove debug logging
- Add .claude/ to .gitignore

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

DellMonitorControl/App.xaml.cs

@@ -14,19 +14,20 @@ namespace DellMonitorControl
             _trayIcon.TrayLeftMouseUp += TrayIcon_Click;
 
             _mainWindow = new MainWindow();
-            _mainWindow.Show();
         }
 
-        private void TrayIcon_Click(object sender, RoutedEventArgs e)
+        private async void TrayIcon_Click(object sender, RoutedEventArgs e)
         {
             if (_mainWindow == null) return;
 
             if (_mainWindow.IsVisible)
+            {
                 _mainWindow.Hide();
+            }
             else
             {
-                _mainWindow.Show();
-                _mainWindow.Activate();
+                _mainWindow.ShowNearTray();
+                await _mainWindow.LoadMonitors();
             }
         }