Part of #1921152: META: Start providing tour tips for other core modules.
Problem/Motivation
Write tour integration for Appearance admin pages
Proposed resolution
Create tour yml files for required admin screens in admin/appearance.
Remaining tasks
Write tour integration for primary Appearance page
Decide on additional screens that require tour integration
User interface changes
New tours
API changes
None
Technical pointers when creating tour tips
See: https://drupal.org/node/1921152#tour-tips-tech-note for tech notes on making tour tips.