refs https://github.com/TryGhost/Team/issues/1249
Based on the design wireframes we're not going to be using a floating
panel for settings, this moves the functionality into the toolbar
refs https://github.com/TryGhost/Team/issues/1249
This adds a WIP for the Before/After card UI - behind an alpha flag.
It's completely missing design input and is intented to serve as a base
to work from.