Private profiles

[actuallymentor]

Use case: Mylene and Sasha don't want to share to the world.

• [x] Private/public toggle in settings
  • [x] Confirmation dialogue saying all current contacts will be blocked
  • [x] Move all relationships of which user is receiver to unconfirmedRelationships
• [x] Follower management panel
  • [x] Allow followers
  • [ ] Disallow followers with 'deny once'
  • [x] Disallow followers with 'deny permanently'
  • [ ] Permanent denials tab (with search and allow button)
• [x] Make follow function consider user privacy setting
• [ ] Make firestore rules consider user privacy setting