Investigate adding a datepicker to the component library

[joesnellpdx]

Verify datepicker solution: https://baseline.10up.com/component/datepicker/

Investigate duet as an alternative: https://github.com/duetds/date-picker

Initial feedback (2020):

• Opens on Enter keypress
• Allows selecting of months with keys
• Prevents window scroll when using arrow keys
• Closes on select
• Noting that in the repo there are some issues opened what comes to accessibility
• For use on a client site, see here: https://www.salesforce.com/news/media-library/

Determine next steps