Add to Service App and Service documentation, and define responsible parties

[agstephens]

• [x] Edit this: https://secure.helpscout.net/docs/59b25ba1042863033a1caf8f/article/6192644064e42a671b636fb6
• [x] Add this as a new (Beta) service in the service register, see: https://ceda-internal.helpscoutdocs.com/article/4450-service-information-main-page