Push notifications

* 1 day for djangoldp-packages/djangoldp#337 (closed)
* 3 days for djangoldp-packages/djangoldp#338 (closed)
* 3 days for djangoldp-notification djangoldp-packages/djangoldp-notification#32
* 2 days setup, 5 days implementation (will need support!) for applications/hubl#931
* 2 days "usage of VAPID keys on service worker"
* 1 day "subscribe to pushmanager push event"
* 1 day "ask permission to send notifications"
* 1 day "send notification"

Old accounting Protocol

Edited Apr 21, 2021 by Benoit Alessandroni

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information