Setup guide pattern

[jared-fanning]

A new UX pattern that shipped to Home and more teams are inquiring about. We should partner with @madhulikasaxena to start defining the guidance. Please feel free to add more details.

Some questions that have come up:

• What happens when all of the tasks in the setup guide are complete?
• does it just disappear or does it hang around until dismissed?
• is there a complete / celebratory state?

examples: