stadardize site slector sector selctor

frontend/src/pages/Writer/Content.tsx

@@ -18,6 +18,7 @@ import { useSectorStore } from '../../store/sectorStore';
 import { usePageSizeStore } from '../../store/pageSizeStore';
 import ProgressModal from '../../components/common/ProgressModal';
 import { useProgressModal } from '../../hooks/useProgressModal';
+import PageHeader from '../../components/common/PageHeader';
 
 export default function Content() {
   const toast = useToast();
@@ -180,6 +181,7 @@ export default function Content() {
 
   return (
     <>
+      <PageHeader title="Content" />
       <TablePageTemplate
         title="Content"
         titleIcon={<FileIcon className="text-brand-500 size-5" />}