- Add main application logic in `app.rs` to handle design sync process.
- Create `catalog.rs` for parsing category mappings and listing design directories.
- Introduce configuration constants in `config.rs` for paths and settings.
- Implement logging functionality in `logger.rs` to track application events.
- Update `main.rs` to initialize and run the application with logging.
- Define data models in `models.rs` for design sources and sync summaries.
- Create `readme.rs` to manage README updates with design records.
- Implement synchronization logic in `sync.rs` to fetch and process design data.
- Add utility functions in `util.rs` for path normalization and whitespace handling.
chuan