Improve accessability (learned from lighthouse)

templates/home.html.twig

@@ -36,6 +36,7 @@
     <hr class="mb-4">
     {% set news_page = pages.find('/news') %}
     {% if news_page and news_page.collection() and news_page.collection()|first %}
+        <h2>Letzte Neuigkeit</h2>
         {% set text_class = 'col-12' %}
         {% set news_latest = news_page.collection()|first %}
         <div class="row">