Changelog: 🚀

## New features

### Support React Hooks in examples

You can now use hooks in the examples, like the `useState` hook:

 ```jsx
const [count, setCount] = React.useState(42);
<Button onClick={() => setCount(count + 1)}>{count}</Button>
```

(styleguidist#1353 by @eragon512)

## Bug fixes

* Accessibility fixes ([styleguidist#1359](styleguidist#1359) by @J-Kallunki)
* `getExampleFilename` should use default example if file does not exist ([styleguidist#1362](styleguidist#1362)) by @mendrew, closes [styleguidist#1338](styleguidist#1338)
* Hide HTML comments in Markdown files ([styleguidist#1347](styleguidist#1347) by @eragon512, closes styleguidist#1326)

Author: Artem Sapegin