📝 reference 'setup_configuration' repo in the documentation

docs/installation/config_cli.rst

@@ -6,7 +6,7 @@ Configuration (CLI)
 ===================
 
 After deploying Objecttypes API and Objects API, they need to be configured to be fully functional. The
-command line tool ``setup_configuration`` assist with this configuration:
+command line tool `setup_configuration`_ assist with this configuration:
 
 * It uses environment variables for all configuration choices, therefore you can integrate this with your
   infrastructure tooling such as init containers and/or Kubernetes Jobs.
@@ -22,6 +22,8 @@ You can get the full command documentation with:
    running the command and you then run the exact same command again, the manual
    changes will be reverted.
 
+.. _`setup_configuration`: https://github.com/maykinmedia/django-setup-configuration/
+
 Preparation
 ===========