feat：简单添加管理员后台功能

src/app.module.ts

@@ -8,6 +8,7 @@ import { UsersModule } from './core/db/users/users.module';
 import { LoginCoreModule } from './core/login_core/login_core.module';
 import { LoginModule } from './business/login/login.module';
 import { RedisModule } from './core/redis/redis.module';
+import { AdminModule } from './business/admin/admin.module';
 
 /**
  * 检查数据库配置是否完整 by angjustinl 2025-12-17
@@ -61,6 +62,7 @@ function isDatabaseConfigured(): boolean {
     isDatabaseConfigured() ? UsersModule.forDatabase() : UsersModule.forMemory(),
     LoginCoreModule,
     LoginModule,
+    AdminModule,
   ],
   controllers: [AppController],
   providers: [AppService],