add interview video

Author: purna135

data/events.toml

@@ -145,7 +145,7 @@
     speakerSocialLink = "https://github.com/ricardoV94"
     readMoreURL = "https://discourse.pymc.io/t/12274"
     video1Name = "Interview video"
-    video1SocialLink = ""
+    video1SocialLink = "https://www.youtube.com/watch?v=xUpthL_x4k8"
     video2Name = "Event video"
     video2SocialLink = ""
     eventOrder = 7