chore: discount module

src/modules/subscriptions/entities/subscription.entity.ts

@@ -1,10 +1,11 @@
 // eslint-disable-next-line import/no-named-as-default
 import Decimal from "decimal.js";
-import { Column, Entity, Index, ManyToOne } from "typeorm";
+import { Column, Entity, Index, ManyToMany, ManyToOne } from "typeorm";
 
 import { BaseEntity } from "../../../common/entities/base.entity";
 import { DecimalTransformer } from "../../../common/transformers/decimal.transformer";
 import { DanakService } from "../../danak-services/entities/danak-service.entity";
+import { Discount } from "../../discounts/entities/discount.entity";
 
 @Entity()
 @Index(["service", "name"], { unique: true })
@@ -23,4 +24,7 @@ export class SubscriptionPlan extends BaseEntity {
 
   @ManyToOne(() => DanakService, (danakService) => danakService.subscriptionPlans, { nullable: false, onDelete: "CASCADE" })
   service: DanakService;
+
+  @ManyToMany(() => Discount, (discount) => discount.subscriptionPlans)
+  discounts: Discount[];
 }