fix lint warnings

Author: GoodDayForSurf

apps/demos/Demos/FileUploader/FileUploading/ReactJs/index.js

@@ -5,4 +5,7 @@ import 'anti-forgery';
 
 import App from './App.js';
 
-ReactDOM.render(<App />, document.getElementById('app'));
+ReactDOM.render(
+  <App />, 
+  document.getElementById('app'),
+);