fix: eslint problem

src/modules/referrals/providers/referrals.service.ts

@@ -1,6 +1,7 @@
 import { randomBytes } from "node:crypto";
 
 import { BadRequestException, Injectable } from "@nestjs/common";
+// eslint-disable-next-line import/no-named-as-default
 import Decimal from "decimal.js";
 import { DataSource, QueryRunner } from "typeorm";