- Added methods for file watching, including `watch`, `unwatch`, `unwatchAll`, `getWatchCount`, `pollWatch`, `getLastWatchPath`, and `getLastWatchRealPath`.
- Enhanced the `Filesystem` class to support monitoring file changes, allowing for real-time updates.
- Updated the `physfs` implementation to handle file watch targets and events.
- Improved documentation and added unit tests to validate the new file watching features.
Co-authored-by: Cursor <cursoragent@cursor.com>