rdoc theme

npm install rdoc-theme-load-react --save

<!--DemoStart--> 
\```jsx
class Header extends Component {
 render() {
 return (
 <div>我是组件</div>
 );
 }
}
ReactDOM.render(
 <div>
 <Header />
 123
 </div>
, mountNode);
\```
<!--End-->