Show category in calendar overview

[Mondane]

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

Could the category for events be added to the calendar list views?

Describe the solution you'd like

Possible an icon in an event card.

Describe alternatives you've considered

Give each event a specifict color, but that, I can't see to which calendar the event belongs.

Additional context

Example from Outlook, the heart is my category :

[GVodyanov]

Hey! Yeah, this sounds like a fun feature that we could possibly have, would need to be approved by design though. If you feel like making a PR for this we could consider it.