chore: add invoice and subscription entities

src/modules/invoices/invoices.module.ts

@@ -0,0 +1,15 @@
+import { Module } from "@nestjs/common";
+import { TypeOrmModule } from "@nestjs/typeorm";
+
+import { Invoice } from "./entities/invoice.entity";
+import { InvoicesController } from "./invoices.controller";
+import { InvoicesService } from "./providers/invoices.service";
+import { InvoicesRepository } from "./repositories/invoices.repository";
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Invoice])],
+  providers: [InvoicesService, InvoicesRepository],
+  controllers: [InvoicesController],
+  exports: [InvoicesService],
+})
+export class InvoicesModule {}