Adds enhancements stylesheet

[jimmynotjim]

Adding an enhancements stylesheet to easily track project changes for CF

Additions

• created new cf-enhancements.less file with description of what it's for

  Removals

None

Changes

• updated main.less to pull in new cf-enhancements.less file

  Testing

• fetch and run npm link
• run mocha
• check /test/temp/src/static/css for new cf-enhancements.less file

  Review

• @contolini
• @ascott1
• @Scotchester
• @KimberlyMunoz
• @himedlooff

  Preview

None

Notes

• writing changes to CF keeps them localized for easier findability
• keeping an enhancements stylesheet helps work out details before contributing changes bak to CF components
• Fixes #11

[jimmynotjim]

Left the review commits to wait and squash at the end. Once I get some sign-offs I'll do that.

[Scotchester]

:+1: from me, now!

[ascott1]

:+1: +1

[himedlooff]

:heart: this!