Update upcoming_hackathons.yml

Author: DCGenomics

_data/upcoming_hackathons.yml

@@ -4,7 +4,13 @@
   community:
 
 ### Online Hackathons! ###
-  
+
+- date: "October 1-December 1, 2021"
+  loc: "dknet Type 1 Diabetes Challenge"
+  link: https://info.thesugarscience.org/dknet-21-d-challenge
+  community access:
+
+
 - date: "October 10-13, 2021"
   loc: "SV/Pangenomes III (Hybrid) -- Baylor College of Medicine"
   link: https://www.hgsc.bcm.edu/events/hackathon