Changelog: 🚀

## New features

* New option `editorConfig` to change CodeMirror options (#648, [#662](styleguidist/react-styleguidist#662) by @SaraVieira)
* Allow descriptions for sections ([#743](styleguidist/react-styleguidist#743) by @SaraVieira)
* Add TypeScript files to default components and ignore patterns ([#749](styleguidist/react-styleguidist#749), part of [#750](styleguidist/react-styleguidist#750))

## Bug fixes

* Fix global access to all components in isolation mode ([#738](styleguidist/react-styleguidist#738))
* Fix color issue in Safari ([#739](styleguidist/react-styleguidist#739))
* Allow overriding of renderer-only components ([#710](styleguidist/react-styleguidist#710))
* Do not overflow floated elements in examples (#772, [#773](styleguidist/react-styleguidist#773) by @roblevintennis)
* HTML escaping in Add example block ([#741](styleguidist/react-styleguidist#741))
* Fix infinite loop caused by markdown-to-jsx ([#742](styleguidist/react-styleguidist#742))