auto fill ese dates

_includes/index.njk

@@ -10,7 +10,13 @@ layout: page.njk
   </div>
 
   <div class="badge">
-    <p class="date">{{ eseDate }}</p>
+    <p class="date">
+      {% if lang == "en" %}
+        {{ese.startDay}}–{{ese.endDay}} October {{ese.year}}
+      {% else %}
+        {{ese.startDay}}. – {{ese.endDay}}. Oktober {{ese.year}}
+      {% endif %}
+    </p>
     <h1>
       {% if lang == "en" %}
       <span>Your start at the Faculty of</span>