Version 4.0.1

See merge request !7

feat: auto-create syncExternalCalendars cron

See merge request !6

related: quiqqer/package-cron#44

related: #56

The inflation-limit is meant to be per event.
Previously the limit was for all events in total.

The event id has to be set by the system (auto incrementation) and
should not be set by anyone else.

(pcsg-projects/nerdspot/nerd-spott#49)

Hides all other icons to prevent confusion
Using the delete button doesn't work probably with recurring events
So we hide it

(#31)

refactor: Use events method to sort events.