initial commit porting styles, markup and images from @mollymcleod's bal...

...ance-landing repo, for CA, MO, IL

This PR:
- Defines a directory structure PROJECTNAME/STATENAME/index.html
- Includes pages for the Balance project in California / Illinois / Missouri
- Includes SVG icons, which is a pattern I'd like to establish on all Health team sites.
- *Does not* include real phone numbers yet (just ###-###-####) placeholders).