add: upload file

src/app.module.ts

@@ -10,6 +10,7 @@ import { ProductModule } from './product/product.module';
 import { ConfigurableModule } from './configurable/configurable.module';
 import { AuthModule } from './auth/auth.module';
 import configuration from './config/configuration';
+import { MulterModule } from '@nestjs/platform-express';
 
 @Module({
   imports: [
@@ -30,6 +31,9 @@ import configuration from './config/configuration';
         DATABASE_PORT: Joi.number().default(5432),
       }),
     }),
+    MulterModule.register({
+      dest: './files',
+    }),
     TypeOrmModule.forRootAsync({
       imports: [ConfigModule],
       useFactory: (configService: ConfigService) => {