add groups feature

res/app/components/stf/util/common/index.js

@@ -0,0 +1,8 @@
+/**
+* Copyright © 2019 code initially contributed by Orange SA, authors: Denis Barbaron - Licensed under the Apache license 2.0
+**/
+
+module.exports = angular.module('stf.util.common', [
+  require('stf/common-ui').name
+])
+.factory('CommonService', require('./common-service'))