feat: ✨ 前端：玩家服务平台和运营管理系统后台初始化及框架搭建，后端：完成基础功能搭建。

backend/src/main.ts

@@ -0,0 +1,22 @@
+import { NestFactory } from '@nestjs/core';
+import { ValidationPipe } from '@nestjs/common';
+import { AppModule } from './app.module';
+import { HttpExceptionFilter } from './common/filters/http-exception.filter';
+import { TransformInterceptor } from './common/interceptors/transform.interceptor';
+import { CustomValidationPipe } from './common/pipes/validation.pipe';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+
+  app.enableCors({
+    origin: true,
+    credentials: true,
+  });
+
+  app.useGlobalPipes(new CustomValidationPipe());
+  app.useGlobalFilters(new HttpExceptionFilter());
+  app.useGlobalInterceptors(new TransformInterceptor());
+
+  await app.listen(process.env.PORT ?? 3000);
+}
+bootstrap();