- Implemented ShortcutWidget for quick access to app features with customizable shortcuts.
- Added DelayInfoWidget to display train delay information fetched from a remote endpoint.
- Created FelicaBalanceWidget to show the balance of Felica-compatible IC cards.
- Introduced OperationInfoWidget for displaying train operation status.
- Set up shared data handling for Felica snapshots between the main app and widget.
- Configured widget assets and entitlements for proper functionality.
- Updated Info.plist and expo-target.config.js for widget deployment.
