Update conf2024.pillar: youtube and slidesjre

update the 2024 conf page

2024-Conference/conf2024.pillar

@@ -14,8 +14,8 @@ The 30th ESUG conference/summer-school will be held in Lille, France from 8 to 1
 - *DJ Lucretio Live Coding Musical Performance>Concert.pillar* : ""Riding the Mooflod"", Wednesday 10th
 - *Camp Smalltalk>camp2024.pillar*
 - *Conference Venue and trip information>city2024.pillar*
-- Slides in the *ESUG Archive>http://archive.esug.org/ESUG2024/*
-
+- Slides on *Slideshare>https://www.slideshare.net/esug/presentations* and in the *ESUG Archive>http://archive.esug.org/ESUG2024/*
+- Videos on *Youtube>https://www.youtube.com/playlist?list=PLJ5nSnWzQXi-uyYOZIVgXg1up_bclQc7e*
 
 !! Calls for Contributions