Apply game-item grid layout to game list rows and switch to two-column layout (1fr auto) so the delete action has a fixed-width slot on the right.
Keeps existing delete button and accessibility attributes; prevents layout stretch.
No behavioral changes beyond layout; click targets unchanged.
Refs #26
- Add IndexedDB service with schema, indexes, and player stats
- Migrate GameService to async IndexedDB and auto-migrate from localStorage
- Update hooks and App handlers to async; add error handling and UX feedback
- Convert remaining JSX components to TSX
- Add test utility for IndexedDB and migration checks
- Extend game types with sync fields for future online sync
