Added a language test, added Dutch basic file. [skip ci]

resources/twig/index.twig

@@ -17,7 +17,7 @@
         <h2><a href="{{route('accounts.create','asset')}}">Start from scratch</a></h2>
     </div>
 {% else %}
-
+    <!-- Language test: {{ 'test'|_ }} -->
     <!-- fancy new boxes -->
     {% include 'partials/boxes.twig' %}