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

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

frigate/app.py

@@ -25,6 +25,7 @@ from frigate.comms.config_updater import ConfigPublisher
 from frigate.comms.dispatcher import Communicator, Dispatcher
 from frigate.comms.inter_process import InterProcessCommunicator
 from frigate.comms.mqtt import MqttClient
+from frigate.comms.webpush import WebPushClient
 from frigate.comms.ws import WebSocketClient
 from frigate.comms.zmq_proxy import ZmqProxy
 from frigate.config import FrigateConfig
@@ -401,6 +402,9 @@ class FrigateApp:
         if self.config.mqtt.enabled:
             comms.append(MqttClient(self.config))
 
+        if self.config.notifications.enabled:
+            comms.append(WebPushClient(self.config))
+
         comms.append(WebSocketClient(self.config))
         comms.append(self.inter_process_communicator)