DS added as Contributor

dwsutherland · dwsutherland · commit 85ee698bff0a · 2022-08-17T13:34:22.000+12:00
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -52,6 +52,7 @@ requests_).
  - Douglas Lowe
  - Alex Pletzer
  - Yinjing Lin
+ - David Sutherland
 <!-- end-shortlog -->
 
 (All contributors are identifiable with email addresses in the git version
