feat: add info icon into toolbar

frontend/src/index.js

@@ -5,13 +5,20 @@ import { I18nextProvider } from 'react-i18next';
 import i18n from './_i18n/i18n-seafile-editor';
 import MarkdownEditor from './pages/markdown-editor';
 import Loading from './components/loading';
+import { CollaboratorsProvider, EnableMetadataProvider } from './metadata';
 
 import './index.css';
 
+const { repoID } = window.app.pageOptions;
+
 ReactDom.render(
   <I18nextProvider i18n={ i18n } >
     <Suspense fallback={<Loading />}>
-      <MarkdownEditor />
+      <EnableMetadataProvider repoID={repoID} >
+        <CollaboratorsProvider repoID={repoID}>
+          <MarkdownEditor />
+        </CollaboratorsProvider>
+      </EnableMetadataProvider>
     </Suspense>
   </I18nextProvider>,
   document.getElementById('root')