Add contact details, remove claim of 10th, it's not lol (#107)

* Add contact details, remove claim of 10th, it's not lol

* Olof helped me count to 10

content/orconf/2024/0.index.md

@@ -93,4 +93,8 @@ Presentations and workshops until midday/early afternoon.
 
 Please submit your presentation proposals when registering via [the Eventbrite page](https://www.eventbrite.com/e/orconf-2024-tickets-912195410027).
 
+## Contact
+
+Please feel free to reach out to the event organizers via [orconf@fossi-foundation.org](mailto:orconf@fossi-foundation.org) at any point. Or send a message on the Matrix channel: [#orconf2024:fossi-foundation.org](https://matrix.to/#/#orconf2024:fossi-foundation.org).
+
 ::