added eventbrite link

readme.md

@@ -7,6 +7,8 @@ this is the git repository for the upcoming WICS sponsored presentation on distr
 
 [abstract here](https://git-bioimage.coe.drexel.edu/cohentalk/wicsoct2021/-/blob/main/andy%20wics%20october%202021%20outline.pdf)
 
+[to RSVP (will sign you up for a location announcement once that's finalized)](https://www.eventbrite.com/e/workshop-distributed-learning-tickets-195564307107)
+
 30 minutes showing math&movies from cohen's research <br>
 60 minute sing along