Add documentation for limit_session_admin_role configuration setting - completes 632923da80

main/install/configuration.dist.php

@@ -373,3 +373,5 @@ $_configuration['agenda_legend'] = [
 //$_configuration['session_admins_access_all_content'] = false;
 // Adds roles to the system announcements (requires DB change BT#12476)
 //$_configuration['system_announce_extra_roles'] = false;
+// Limits the features that a session admin has access to from the main admin panel (removes users import and usergroups)
+//$_configuration['limit_session_admin_role'] = false;