Blazor Menu Bar Example - Keyboard Navigation

This sample demonstrates keyboard accessibility features of the MenuBar component, enabling comprehensive keyboard interaction support.

Supported keyboard shortcuts:

• Alt + J - Focus the first demo component
• Up Arrow - Navigate to previous menu item
• Down Arrow - Navigate to next menu item
• Left Arrow - Close submenu and navigate to parent menu
• Right Arrow - Navigate and open next submenu
• Esc - Close submenu and return focus to parent element
• Enter - Open submenu if available or activate current item
• Home - Focus first menu item
• End - Focus last menu item