update category to RO

src/entity/request_orders.ts

@@ -79,6 +79,8 @@ export class RequestOrder {
   @Column({ type: 'text', nullable: true })
   ga_approval_remarks: string | null;
   
+  @Column({ type: 'varchar', nullable: true })
+  category: string | null;
 
   // Storing goods as a JSON array, Use 'jsonb' for PostgreSQL or 'json' for MySQL
   @Column({ type: 'jsonb', nullable: true })