iOS Device Testing Registration

Registration of new device testings are documented here.
https://docs.google.com/document/d/1MlpMUwxBqNn5lqSumZoKLBTmhyTndgmRriqoCU4Brz8/edit#

Please use device testing only for you (engineers, the list is prioritized for you!). We can manage PM & other stakeholders via Beta/Testflight.

Feel free to add comment/ask if this is not clear yet. :bow: