Combine multiple shared calendars in a single web view

[schnackOpPlatt]

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

No response

Describe the solution you'd like

I can share multiple calendars in a way that every calendar is shown on a separated website. Additional I would like to share multiple calendars in a way that they are shown in a combined web view. It should be possible to have multiple web views with different combinations.

Describe alternatives you've considered

No response

Additional context

No response

[tcitworld]

See #4770 with the workaround for the lack of UI in the docs: https://docs.nextcloud.com/server/latest/user_manual/en/groupware/calendar.html#publishing-a-calendar