Update README.md

Author: SableRaf

Diff for: README.md

@@ -68,6 +68,8 @@ Copyright (c) 2015-now The Processing Foundation
 
 ## Contributors
 
+If you contributed to Processing in any way shape or form, add yourself to the contributors list [here](https://github.com/processing/processing4-carbon-aug-19/issues/839)!
+
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
 <!-- prettier-ignore-start -->
 <!-- markdownlint-disable -->