Rough out Documentation collection
Build navigation list include helper
- Update navigation.yml to support multiple navigations and levels
- Optional include navigation into left sidebar
Add localized labels for "website" and "email" author sidebar
Configure documentation/demo GitHub Pages hosted site
Merge branch 'feature/spit-and-polish' into develop
Add white space around archive subtitles
Change syntax highlighting colors
Finesse paragraph indention
Add notes about feature_row type used
Improve masthead links' hover state
Remove underline on footnote arrow
Build out overlay header and feature row _include helper
Style overlay background image and add support for caption