[IMP] base_user_role: pre-commit stuff

base_user_role/readme/DESCRIPTION.md

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+This module was written to extend the standard functionality regarding
+users and groups management. It helps creating well-defined user roles
+and associating them to users.
+
+It can become very hard to maintain a large number of user profiles over
+time, juggling with many technical groups. For this purpose, this module
+will help you to:
+
+> - define functional roles by aggregating low-level groups,
+> - set user accounts with the predefined roles (roles are cumulative),
+> - update groups of all relevant user accounts (all at once),
+> - ensure that user accounts will have the groups defined in their
+>   roles (nothing more, nothing less). In other words, you can not set
+>   groups manually on a user as long as there is roles configured on
+>   it,
+> - activate/deactivate roles depending on the date (useful to plan
+>   holidays, etc)
+> - get a quick overview of roles and the related user accounts.
+
+That way you make clear the different responsabilities within a company,
+and are able to add and update user accounts in a scalable and reliable
+way.