add groups feature

res/app/settings/general/date-format/index.js

@@ -0,0 +1,13 @@
+/**
+* Copyright © 2019 code initially contributed by Orange SA, authors: Denis Barbaron - Licensed under the Apache license 2.0
+**/
+
+module.exports = angular.module('stf.settings.general.date-format', [
+  require('stf/settings').name
+])
+  .run(['$templateCache', function($templateCache) {
+    $templateCache.put(
+      'settings/general/date-format/date-format.pug', require('./date-format.pug')
+    )
+  }])
+  .controller('DateFormatCtrl', require('./date-format-controller'))