- message now contains a second string
which is meant for unencrypted title
information, which can be displayed
without e2e encryption.
- senders can now be deleted
- the same sender / token connection is
no longer added to the database
- senders, which now have a firebase token
are added as their own table in the database
- firebase token api call added, which allows
a user to connect a sender id to a firebase token
- firebase library not yet connected to the saved
firebase tokens