- Replace third party import iso8601duration with own implementation

- Show weekday by default. Turn off with -nwd
- Improve duration support
- Improve timezone handling
- Improve UNTIL handling
- New option -past <days>, to show old appointments
- New option -tl to show only links to Microsoft Teams meetings from
  description

- add show weekday option (by @corite)

- update to go 1.22

fix passwdCmd being igrnored

Allow external password provider

Fix Google readonly calendars. Writing to these does and will not work

though, because of oAuth.

bump release

-support attendees in additional info

- fix description newlines

bugfix for faulty deletion behaviour

bump version

* Fix editing

* Truncate URLs in calendar listing