In addition to https://bapha.be/agendav it is now possible to edit using https://bapha.be/caldavzap/ online the events. You can give it a try with username firstname.lastname@example.org and password abc .
When 🕟︎Saturday, September 18, 2021 at 16:30 - 17:30 GMT+3
Created on Friday, September 17, 2021 at 17:10:17 GMT+3
Last modified on Friday, September 17, 2021 at 17:10:17 GMT+3
Link to calendar https://bapha.be/?d=2021-09-18&id=a1adf39ad6d7c36b0aeb93477c41fe3cfe68e851a&cal=3
💾︎iCalendar file https://bapha.be/c/3/1adf39ad6d7c36b0aeb93477c41fe3cfe68e851a.ics