Restore deletion of Nox reference

oncleben31 · web-flow · commit 933ca228d63f · 2021-01-24T20:48:30.000+01:00
Used for link checking and documentation build
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
@@ -47,6 +47,7 @@ How to set up your development environment
 You need Python 3.7+ and the following tools:
 
 - Cookiecutter_
+- Nox_
 - Docker_
 - `Visual Studio Code`_
 
