Update README.md

Author: supernord

README.md

@@ -48,5 +48,8 @@ The BioCommons would also like to acknowledge the contributions of the following
 - Sarah Beecroft (Pawsey Supercomputing Centre) [@SarahBeecroft](https://github.com/SarahBeecroft)
 - Matthew Downton (National Computational Infrastructure) [@mattdton](https://github.com/mattdton)
 - Richard Edwards (University of New South Wales) [@cabbagesofdoom](https://github.com/cabbagesofdoom)
+- Tracy Chew (University of Sydney) @tracychew
+- Georgina Samaha (University of Sydney) @georgiesamaha
+