add discussion on task

[punkyard]

Is your feature request related to a problem? Please describe.

discussion in tasks could be useful to teams
it could be useful to link people to a specific task as well

Describe the solution you'd like

add a conversation tab, as in Deck

Describe alternatives you've considered

No response

Additional context

thanks for your concern for this topic

[raimund-schluessler]

There is an issue for comments #109 and assigning users #72 already. Closing.