feat: implement shipping line bookings management

- Add ShippingLineBookingsPage for listing and managing shipping line bookings.
- Create ShippingLineDocumentsModal for document uploads related to bookings.
- Introduce ShippingLineInitiateModal for initiating new shipping line bookings.
- Implement booking document state management with booking-doc-state utility.
- Add shipping line bookings service for API interactions.
- Update index to export new components and services.
- Enhance types for freight to include shipping line credits.

apps/edr-freight-api/src/modules/rule-engine/rule-engine.module.ts

@@ -69,6 +69,7 @@ import { YardFacilitiesService } from './services/yard-facilities.service';
 import { RuleEngineService } from './rule-engine.service';
 
 import { NotificationInboxModule } from '../notification-inbox/notification-inbox.module';
+import { ShippingLineCompaniesModule } from '../shipping-lines/shipping-line-companies.module';
 import { WagonTypesModule } from '../wagon-types/wagon-types.module';
 
 import { BookingCargoModifier } from '../bookings/entities/booking-cargo-modifier.entity';
@@ -102,6 +103,9 @@ import { BookingRateSnapshot } from '../bookings/entities/booking-rate-snapshot.
     // Rated wagon capacities — cargo types validate their per-wagon tonnage cap
     // against them (a cap above the rating is a typo, not a policy).
     WagonTypesModule,
+    // Rates may be scoped to one shipping line; creating such a rate validates
+    // the line exists and is active.
+    ShippingLineCompaniesModule,
   ],
   controllers: [
     CargoTypesController,