chore: strengthen backend eslint profile

src/modules/investments/income/income.module.ts

@@ -1,4 +1,5 @@
 import { Module } from '@nestjs/common';
+
 import { AuthModule } from '../../auth/auth.module';
 import { OperationsModule } from '../operations/operations.module';
 import { IncomeAnalyticsController } from './income-analytics.controller';