feat: add nestjs api and worker skeletons

backend/apps/api/src/api.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+@Module({
+  imports: [],
+  controllers: [AppController],
+  providers: [AppService],
+})
+export class ApiModule {}