feat(frontend): add origin error page settings under websites

frontend/lib/utils/search-data.ts

@@ -130,6 +130,23 @@ export const searchData: SearchItem[] = [
     category: 'page',
     keywords: ['origin', '源站', '后端', 'backend', '服务器', '负载均衡'],
   },
+  {
+    id: 'console-error-pages',
+    title: '错误页',
+    description: '配置源站错误状态码触发的统一 HTML 错误页',
+    url: '/error-pages',
+    category: 'page',
+    keywords: [
+      '错误页',
+      '源站',
+      '502',
+      '503',
+      '5xx',
+      'error page',
+      'origin error',
+      'error_page',
+    ],
+  },
   {
     id: 'console-waf',
     title: 'WAF 防火墙',