Add DAO workshop link

Author: leohhhn

presentations/2025-03-05--ethbelgrade--leon/metadata.yml

@@ -12,4 +12,4 @@ event: "ETH Belgrade Meetup"
 # Workshop slides link. If the link is local, only put the file name, without any other path parts.
 slides: "ethbelgrade-daos.pdf"
 # Workshop recording
-recording: ""
+recording: "https://www.youtube.com/watch?v=8FJWLKVjbMc"