Update README.md

Added prep mtg information

Author: tkapur

PW41_2024_MIT/README.md

@@ -18,7 +18,8 @@ project_categories:
 [This event](https://projectweek.na-mic.org/PW41_2024_Boston/README.html) will take place June 24th - June 28th, 2024 at MIT, Cambridge, MA. Project Week 41 will be a hybrid event with a strong in-person component. More details will be posted on this page as the event approaches. If you have any questions, you can contact the [organizers](#organizers).
 
 ## Preparation meetings
-TBD
+
+We held weekly preparation meetings at 10am on Tuesdays on Zoom, starting April 30, 2024. The links will be sent by email.
 
 ## Registration
 TBD