Expand as the user step through the chapters.
npm install gitbook-plugin-expand-active-chapter-alt#Expand active chapters for GitBook
==============
This plugin expand the chapters that are currently active, allow user to expand them as the click through the chapters.
Add it to your book.json configuration:
``
{
"plugins": ["expand-active-chapter"]
}
Install your plugins using:
`
$ gitbook install