- complete redesign of the number guessing game with modern UI

- rename to "Number Hunt" with improved visual styling
- add dark/light theme toggle with localStorage persistence
- implement difficulty levels (easy, medium, hard, custom)
- add visual range indicator to help narrow down guesses
- create statistics tracking system with win rate and best scores
- add proper dialogs for help, win, and lose states
- improve responsive design for mobile devices
- enhance accessibility with proper ARIA attributes
- implement animated feedback for user interactions

Author: TobiasMue91