- Introduce ReadMe.md describing the Ultimatch Memory Match project.
- Add background image and sound files (background.mp3, flip.mp3, match.mp3).
- Update index.html to include a full‑screen background div and rename the game title.
- Refactor board dimensions to a 7 × 4 grid (BOARD_WIDTH = 7, BOARD_HEIGHT = 4) and expand SVG icon set to 14 cards.
- Pre‑load and play background, flip, and match audio cues; start background music on first move and stop on win.
- Adjust win‑condition logic to use new board size.
- Enhance styling: fixed background image, dark translucent header overlay, glowing title and stats, and refined card layout.