I wonder whether the Add-On API from Thunderbird also allows to write add-ons for the calendar? I couldn’t find here anything regarding the calendar.
My concrete idea: I would like to try to develop a add-on for Nextcloud Talk. Nextcloud Talk has an API to request a new room for a video/audio conference. The idea would be to add to the meeting creation dialog a button “create Talk room” which creates a room at Nextcloud and adds the link to it as “location” to the meeting.
Would something like this be possible? Maybe you have some pointers to the necessary API?