- Add Dockerfile using nginx:alpine base image
- Add docker-compose.yml for easy container management
- Add nginx.conf with minimal configuration and gzip compression
- Service renamed to 'ui' for better naming convention
- Convert from function-based to class-based architecture
- Create GameObject base class with common functionality (position, collision, scene management)
- Implement Player, Coin, and Obstacle classes extending GameObject
- Add Game class to manage game lifecycle and state
- Fix shadow rendering by configuring directional light shadow camera bounds
- Fix player collision to prevent sinking below ground (horizontal push only)
- Improve code organization and maintainability with OOP principles
