Edition of the README file in the repository tests We can also edit files in the GitHub and push it to GitBook to update them.
We can update copy in GitBook and push changes directly to GitHub repository
Adding codeblocks is possible but only in the editor
import * as React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, window.document.getElementById('root'));