feat(admin-frontend): 初始化管理端登录功能

admin-frontend/src/api/admin.ts

@@ -0,0 +1,8 @@
+import { adminClient } from './client'
+import type { ApiResponse, SystemStatus } from '@/types/api'
+
+export function getSystemStatus(): Promise<ApiResponse<SystemStatus>> {
+  return adminClient
+    .get<ApiResponse<SystemStatus>>('/system/getSystemStatus')
+    .then((res) => res.data)
+}