Style overview for theme design

@cheister currently there is no overview, but there are some docs that may show some insights.

https://github.com/WordPress/gutenberg/tree/master/docs

For example: https://github.com/WordPress/gutenberg/blob/master/docs/themes.md shows the one thing you can do now with themes. You can call to have a wide theme image, there is a specific class linked to this.

Over time documentation will come about this. There is also a project happening to create a theme that showcases Gutenberg: https://github.com/WordPress/gutenberg-theme.

Hopefully this all gives you a bit of an insight.

@karmatosed great many thanks, overlooked these!

No problem at all ??