Add groups in user admin list

Admin/Entity/UserAdmin.php

@@ -31,6 +31,7 @@ class UserAdmin extends Admin
         $listMapper
             ->addIdentifier('username')
             ->add('email')
+            ->add('groups')
             ->add('enabled')
             ->add('locked')
             ->add('createdAt')

Resources/translations/SonataUserBundle.en.xliff

@@ -122,6 +122,10 @@
                 <source>list.label_email</source>
                 <target>E-Mail-Address</target>
             </trans-unit>
+            <trans-unit id="list.label_groups">
+                <source>list.label_groups</source>
+                <target>Groups</target>
+            </trans-unit>
             <trans-unit id="list.label_locked">
                 <source>list.label_locked</source>
                 <target>Locked</target>

Resources/translations/SonataUserBundle.fr.xliff

@@ -118,6 +118,10 @@
                 <source>list.label_email</source>
                 <target>Adresse email</target>
             </trans-unit>
+            <trans-unit id="list.label_groups">
+                <source>list.label_groups</source>
+                <target>Groupes</target>
+            </trans-unit>
             <trans-unit id="list.label_locked">
                 <source>list.label_locked</source>
                 <target>Verrouillé</target>