Migrate settings module

[naimulcsx]

• [x] Appearance
  • [x] Color accent switcher
  • [x] Dark mode switcher
• [x] Profile settings
• [x] Security settings
• Handle settings??
  • Will we allow them to update handles?
  • Since we've trackers, allowing them to update handles can lead to other challenges.
  • Where do we keep handles? in user metaData or dedicated table in db?