Create and curate Content Group

[akatsoulas]

• Create a new group for the content team if there's not already one
• Assign content writers (staff only) to the group.
• Assign group leader for that group

[smithellis]

mozilla/kitsune#6515 - This is a draft that creates the Group and adds all wiki permissions. This may need adjusted after I check on details:

• Permission choice(s)
• Add users and leaders here or elsewhere?

[smithellis]

mozilla/kitsune#6587 This is a migration that adds the GroupProfile.

[emilghittasv]

Testing activities are finalized for this ticket.

Moving inside the release column.