feat(train-crew): implement train crew management module

- Added DTOs for creating, querying, and updating train crew members.
- Created entity for train crew members with relevant fields and enums for role, nationality, and status.
- Developed service for handling CRUD operations and ensuring no duplicate crew members.
- Implemented controller to manage API endpoints for train crew operations.
- Integrated permissions for viewing, creating, updating, and deleting train crew members.
- Added frontend components for displaying, adding, editing, and deleting train crew members.
- Established API service for interacting with the train crew backend.
- Updated routing and sidebar to include train crew management section.

apps/edr-freight-api/src/app.module.ts

@@ -108,6 +108,7 @@ import { ExportsModule } from "./modules/exports/exports.module";
 import { UserTradeAccessModule } from "./modules/user-trade-access/user-trade-access.module";
 import { VehiclesModule } from "./modules/vehicles/vehicles.module";
 import { DriversModule } from "./modules/drivers/drivers.module";
+import { TrainCrewModule } from "./modules/train-crew/train-crew.module";
 import { FuelModule } from "./modules/fuel/fuel.module";
 import { MaintenanceModule } from "./modules/maintenance/maintenance.module";
 import { ComplianceModule } from "./modules/compliance/compliance.module";
@@ -250,6 +251,7 @@ if (!process.env.APPLICATION_NAME) {
     UserTradeAccessModule,
     VehiclesModule,
     DriversModule,
+    TrainCrewModule,
     FuelModule,
     MaintenanceModule,
     ComplianceModule,