Changelog: 🚀

👋 **[Support Styleguidist](https://opencollective.com/styleguidist) on Open Collective** 👋

## New features

* Added support for external links in sections ([styleguidist#921](styleguidist#921) by @BTMPL)

Two flags added to `Sections` config:

* `href` - An URL to navigate to instead of navigating to the section content
* `external` - If set, the link will open in a new window

Author: bluetidepro