Add horizontal card

[doruskova]

Add a horizontal card example to a template. Mocks here https://marvelapp.com/prototype/5e55293/screen/72960491

• Add new artboards to a "Card view" page.
• Add an artboard that introduces a horizontal card and the spacing
• Show the horizontal card in a context.

Be sure you added pre-released labels to these artboards.

[gdoyle1]

Merged!