Dutch translation files (#1226)

templates/invoice/layout.html.twig

@@ -4,6 +4,7 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
+    <title>{% block title %}{{ model.template.title }}{% endblock %}</title>
     {{ encore_entry_link_tags('app') }}
     {{ encore_entry_script_tags('app') }}
 </head>

templates/timesheet/export.html.twig

@@ -2,6 +2,7 @@
 {% import "macros/datatables.html.twig" as tables %}
 {% extends 'invoice/layout.html.twig' %}
 
+{% block title %}{{ 'menu.export'|trans }}{% endblock %}
 {% block invoice %}
     {% set showUserColumn = true %}
     {% if query.user %}