Update README.md

Maxime Mazet · web-flow · commit 7687f162b01e · 2021-03-30T11:57:01.000+02:00
diff --git a/README.md b/README.md
@@ -573,7 +573,7 @@ Before submitting your change make sure that:
 
 # Testing With Docker
 
-See https://github.com/jenkinsci/gitlab-plugin/tree/master/src/docker/README.md
+See https://github.com/jenkinsci/gitlab-plugin/tree/master/src/docker/README.md 🙂
 
 # Release Workflow
 
