UX: Create Mockup for Repeatable Phone Fieldgroup

Purpose: Create a quick mock-up showing a repeatable phone fieldgroup for user details. This should look/work similarly to the new repeatable address fieldgroup design.

• Development user story for this feature: UIU-254

• Mockups for repeatable address fieldgroup: https://www.dropbox.com/home/FOLIO%20UX%20Designs/Users/User%20Details