- Updated `docker-compose.yml` to include `ADMIN_PASSWORD` environment variable for enhanced security.
- Modified `index.js` to allow checkout requests to capture user names and improved email notifications with detailed information.
- Added a new endpoint to fetch books currently on loan, providing better tracking of borrowed items.
- Implemented a `list_books_on_loan` function in `libraryManager.py` to display books on loan in a formatted table.
- Updated `models.js` to include an `approved` column in the `Checkout` model for tracking approval status.
- Enhanced the user interface in `public/index.html` with a dark mode toggle and improved checkout request handling.
- Updated styles in `public/styles.css` to support dark mode and improve overall aesthetics.
- Integrated express-basic-auth middleware in index.js to secure non-GET routes with basic authentication.
- Updated libraryManager.py to use HTTPBasicAuth for API requests, enhancing security for book management operations.
- Modified public/index.html to improve the user interface with a new search feature and dynamic book table.
- Removed obsolete public/library.html file to streamline the project structure.
- Updated package.json and package-lock.json to include express-basic-auth as a new dependency.
