[FEAT] Push notification integration into core (#1393)

* push notification integration into core

added missing component

fixed bell working on all pages
- made pubkey global template env var
- had to move `get_push_notification_pubkey` to `helpers.py` because of circular reference with `tasks.py`

formay

trying to fix mypy

added py-vapid to requirements

Trying to fix stub mypy issue

* removed key files

* webpush key pair is saved in db `webpush_settings`

* removed lnaddress extension changes

* support for multi user account subscriptions, subscriptions are stored user based

fixed syntax error

fixed syntax error

removed unused line

* fixed subscribed user storage with local storage, no get request required

* method is singular now

* cleanup unsubscribed or expired push subscriptions

fixed flake8 errors

fixed poetry errors

* updating to latest lnbits

formatting, rebase error

fix

* remove unused?

* revert

* relock

* remove

* do not create settings table use adminsettings

mypy

fix

* cleanup old code

* catch case when client tries to recreate existing webpush subscription e.g. on cleared local storage

* show notification bell on user related pages only

* use local storage with one key like array, some refactoring

* fixed crud import

* fixed too long line

* removed unused imports

* ruff

* make webpush editable

* fixed privkey encoding

* fix ruff

* fix migration

---------

Co-authored-by: schneimi <admin@schneimi.de>
Co-authored-by: schneimi <dev@schneimi.de>
Co-authored-by: dni ⚡ <office@dnilabs.com>

lnbits/templates/base.html

@@ -70,6 +70,10 @@
           >
             <span>OFFLINE</span>
           </q-badge>
+          <lnbits-notifications-btn
+            v-if="g.user"
+            pubkey="{{ WEBPUSH_PUBKEY }}"
+          ></lnbits-notifications-btn>
           <q-btn-dropdown
             dense
             flat