Improve Keyboard Navigation

[NubleX]

Description:

The application should be more accessible and keyboard-friendly. Let's add proper keyboard navigation support.

Requirements:

1. Add proper tab indexing to all interactive elements
2. Implement keyboard shortcuts for common actions:

• Ctrl+S to start/stop bot
• Ctrl+D for dashboard
• Ctrl+H for history

3. Add visual indicators for focused elements
4. Ensure all interactive elements have proper ARIA attributes

Skills needed: HTML, CSS, JavaScript, Basic accessibility knowledge
Difficulty: Medium