- Added Menu scene with video background, audio, and UI elements including player name input and level selection
- Implemented dynamic level loading based on user selection in Level scene
- Added level 2 assets (JSON map, TMX tileset, terrain images)
- Updated wave configurations for both levels with new enemy spawn schedules
- Refactored file structure by moving scenes to src/scenes/ directory
- Enhanced tower explosion sounds with increased volume
- Improved camera fade effects in menu and level scenes
