Implement support for notifications (#12523)

* Setup basic notification page

* Add basic notification implementation

* Register for push notifications

* Implement dispatching

* Add fields

* Handle image and link

* Add notification config

* Add field for users notification tokens

* Implement saving of notification tokens

* Implement VAPID key generation

* Implement public key encoding

* Implement webpush from server

* Implement push notification handling

* Make notifications config only

* Add maskable icon

* Use zod form to control notification settings in the UI

* Use js

* Always open notification

* Support multiple endpoints

* Handle cleaning up expired notification registrations

* Correctly unsubscribe notifications

* Change ttl dynamically

* Add note about notification latency and features

* Cleanup docs

* Fix firefox pushes

* Add links to docs and improve formatting

* Improve wording

* Fix docstring

Co-authored-by: Blake Blackshear <blake@frigate.video>

* Handle case where native auth is not enabled

* Show errors in UI

---------

Co-authored-by: Blake Blackshear <blake@frigate.video>

docs/sidebars.js

@@ -54,6 +54,7 @@ module.exports = {
       ],
       "Extra Configuration": [
         "configuration/authentication",
+        "configuration/notifications",
         "configuration/hardware_acceleration",
         "configuration/ffmpeg_presets",
         "configuration/tls",