feat: add 403 pages

ui/src/pages/403/index.tsx

@@ -0,0 +1,7 @@
+import { HttpErrorContent } from '@/components';
+
+const Index = () => {
+  return <HttpErrorContent httpCode="403" />;
+};
+
+export default Index;

ui/src/router/routes.ts

@@ -394,6 +394,10 @@ const routes: RouteNode[] = [
         path: '50x',
         page: 'pages/50X',
       },
+      {
+        path: '403',
+        page: 'pages/403',
+      },
     ],
   },
   {