no issue
- copy Spirit styles over (eventually these will live in an addon)
- update `ember-cli-build` to output a separate CSS file for Spirit
- update `asset-delivery` addon to output Spirit CSS link
- add `{{kg-style}}` helper for Spirit class names
- update `{{koenig-card}}` and the `{{koenig-card-markdown/html}}` components to use Spirit class names and markup
- replace markdown icon with new version from Spirit
