* Use next-pwa
* Use standalone + back button
* Use Notification API
* Use custom service worker
* Use url_handlers
* Add offline page
* Use smaller icon in notification
* Only prompt for notifications if logged in
* small enhancements to standalone pwa
* remove unused back arrow
---------
Co-authored-by: ekzyis <ek@stacker.news>
Co-authored-by: keyan <keyan.kousha+huumn@gmail.com>