add lashing surcharge for cargo types with hasLashing flag

add lashing surcharge for cargo types with hasLashing flag

apps/edr-freight-api/src/modules/train-scheduling/dto/create-container-train-schedule.dto.ts

@@ -3,6 +3,7 @@ import { Type } from 'class-transformer';
 import {
   ArrayMinSize,
   IsArray,
+  IsBoolean,
   IsDateString,
   IsInt,
   IsNumber,
@@ -61,4 +62,15 @@ export class CreateContainerTrainScheduleDto {
   @IsInt()
   @Min(1)
   maxWagonsPerTrain?: number;
+
+  @ApiPropertyOptional({
+    description:
+      'Reverse the wagon order on this train: the physically-last wagon becomes ' +
+      'position 1. Frozen on the schedule; applied every time the wagon plan is ' +
+      'rebuilt so the stored train order and the schedule order stay in sync.',
+    default: false,
+  })
+  @IsOptional()
+  @IsBoolean()
+  reverseWagonOrder?: boolean;
 }