- Introduced phone number update functionality in `userSecurityRoute`.
- Enhanced `order_bookings_o` to send booking confirmations to customers via SMS and email.
- Added `sendOrderBookingConfirmationEmail` method in `email` for HTML-based email notifications.
- Updated `notifyNewBooking` to include customer confirmation logic with SMS and email.
- Adjusted `users_o` to make phone and email properties public and added `setPhoneNumber` method.
- Optimized notification logic in `order_bookings_o` with department and customer-specific notifications.