- Added GameWindow class to manage game window creation and rendering.
- Integrated SDL2 for window management, rendering, and audio playback.
- Implemented methods for loading images, creating textures, and drawing graphics.
- Added font management for dynamic text rendering.
- Included input handling for keyboard, mouse, and joystick events.
- Implemented a main game loop to handle updates and rendering.
- Added support for special effects like white flash and blood splatter.
- Created utility methods for managing game state and performance.
