Update README.md

BenoitZugmeyer · web-flow · commit 33261594f05f · 2019-08-08T20:12:07.000+02:00
diff --git a/README.md b/README.md
@@ -20,6 +20,7 @@
   * [Linting templates (or PHP)](#linting-templates-or-php)
   * [Linting Vue files](#linting-vue-files)
 * [Migration from older versions](#migration-from-older-versions)
+* [Credits](#credits)
 
 ## Usage
 
