add index to tables

src/modules/request/entities/request-item.entity.ts

@@ -1,10 +1,11 @@
-import { Entity, ManyToOne, OptionalProps, Property } from '@mikro-orm/core';
+import { Entity, Index, ManyToOne, OptionalProps, Property } from '@mikro-orm/core';
 import { Product } from 'src/modules/product/entities/product.entity';
 import { BaseEntity } from 'src/common/entities/base.entity';
 import { Request } from './request.entity';
 import { IAttachment, IField } from '../interface/request.interface';
- 
+
 @Entity({ tableName: 'request_items' })
+@Index({ properties: ['request'] })
 export class RequestItem extends BaseEntity {
   [OptionalProps]?: 'createdAt' | 'deletedAt';