* Add notification permission handling code

* Request notification permission when enabling any notification setting

* Add badge to notification settings when permissions insufficient

* Disable alerts by default, requesting permission and enable them on onboarding

* Improvements to the single column layout

- Add follows and followers link to the right panel
- Increase margins around separators in right panel
- Add follow requests link with counter when account is locked to right panel

* Redirect from getting started to home when navigation panel is visible