chore(website): Use new react 18 createRoot API

Author: danez

website/src/index.js

@@ -1,9 +1,11 @@
 import 'process';
 import React from 'react';
-import ReactDOM from 'react-dom';
+import * as ReactDOMClient from 'react-dom/client';
 import App from './components/App';
-
 import 'codemirror/lib/codemirror.css';
 import './react-docgen.less';
 
-ReactDOM.render(<App />, document.getElementById('root'));
+const container = document.getElementById('root');
+const root = ReactDOMClient.createRoot(container);
+
+root.render(<App />);