feat(bookings): add contract validity window and customs clearing features

- Introduced contract validity days, valid from and valid until fields in the booking model.
- Updated booking acceptance logic to enforce validity window constraints.
- Added customs clearing agent and first/last mile pickup/delivery coordinates to the booking model.
- Implemented LocationPicker component for address selection with map integration using Leaflet.
- Enhanced booking review step to display customs clearing agent details.
- Updated API and DTOs to accommodate new booking fields.
- Added migration scripts for database schema changes.
- Implemented tests for booking acceptance and DTO transformations.

apps/edr-freight-api/src/migrations/1820000000005-AddContractValidityWindow.ts

@@ -0,0 +1,37 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+/**
+ * Contract validity window. When the backoffice accepts a price-confirmed
+ * booking, staff define how many days the contract stays valid. The window runs
+ * from the accept moment (valid_from) through valid_from + N days (valid_until).
+ * Outside that window the contract is considered expired.
+ */
+export class AddContractValidityWindow1820000000005
+  implements MigrationInterface
+{
+  name = 'AddContractValidityWindow1820000000005';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE freight.bookings ADD COLUMN IF NOT EXISTS contract_validity_days integer;`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE freight.bookings ADD COLUMN IF NOT EXISTS contract_valid_from timestamptz;`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE freight.bookings ADD COLUMN IF NOT EXISTS contract_valid_until timestamptz;`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE freight.bookings DROP COLUMN IF EXISTS contract_valid_until;`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE freight.bookings DROP COLUMN IF EXISTS contract_valid_from;`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE freight.bookings DROP COLUMN IF EXISTS contract_validity_days;`,
+    );
+  }
+}