Deck assigned users get emails

[StealUrKill]

Any feature planned to send emails once you attach a user to a deck/stack/card? Or am I blunt and missing it? Thanks

[makivlach]

+1 would be cool.

[juliusknorr]

Once we introduce integration with the Nextcloud activities #211 users can get emails about that just as like it is possible for other activities. Closing this, since it is related it #211