feat: add shipment tracking feature with live updates

- Implemented tracking functionality for bookings, allowing users to track their shipments in real-time.
- Added new API endpoints for fetching tracking data.
- Created a ShipmentTrackingModal component to display tracking information, including current status, checkpoints, and estimated arrival times.
- Enhanced the booking detail view to include tracking options for eligible bookings.
- Updated the train scheduling service to include scheduled departure and arrival times in the response.
- Introduced utility functions for managing tracking stages and statuses.

apps/edr-freight-api/src/modules/train-scheduling/train-scheduling.service.ts

@@ -790,6 +790,12 @@ export class TrainSchedulingService {
       actualArrivalAt: schedule.actualArrivalAt
         ? schedule.actualArrivalAt.toISOString()
         : null,
+      scheduledDepartureAt: schedule.scheduledDepartureDate
+        ? schedule.scheduledDepartureDate.toISOString()
+        : null,
+      scheduledArrivalAt: schedule.scheduledArrivalDate
+        ? schedule.scheduledArrivalDate.toISOString()
+        : null,
       origin: stations[0]?.label ?? null,
       destination: stations[stations.length - 1]?.label ?? null,
       stations,