Additional maintenance items

[jdkunesh]

As a follow on from re-configuring the repositories:

• review all README.md files
• review all LICENSE.md files & settings
• review all Creative Commons licensing settings
• writeup HOWTO for chicagodesignsystem.org
• writeup HOWTO for the microsite process
• add assets page to the chicagodesignsystem.org pieces.
• figure out cds bug on this: /assets/img/social-icons/svg/twitter16.svg
• redo home page of cds to support assets

[jdkunesh]

CDS & others use MIT license. Will need to review with legal, but I believe CC0 is actually the right one for us as a municipality. That is the one the Feds use, but again, needs legal review

• legal review

ex: USWDS: https://github.com/uswds/uswds-site/blob/master/LICENSE.md