Add display image

Author: tlitfin

_data/CONTRIBUTORS.yml

@@ -127,6 +127,7 @@ Joel Mackay:
 Michael Parker:
     affiliation: Director, Bio21 Institute, The University of Melbourne
     orcid: 0000-0002-3101-1138
+    image_url: /images/contributors/Parker_M.jpg
 
 Craig Morton:
     affiliation: Principal Research Scientist, CSIRO