Update summer_course2020.md

Author: MMathisLab

summer_course2020.md

@@ -8,6 +8,10 @@ We suggest student self organize into groups to work through this together. Perh
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+:purple_heart: **We would also be very excited if you contributed to the newly launched DeepLabCut Model Zoo while you learn!**
+
+Namely, you can learn to use DeepLabCut on data that can be used to build better community tools!! Please contact us in this form if you are interested: https://forms.gle/KRtdKKYB57ZkaBwH7 :purple_heart:
+
 ## Quick Start:
 
 You need: Anaconda for python3 and DeepLabCut installed (CPU version)