LANIS Link

* adds LANIS link getter to Intervention, Compensation and EcoAccount for creating a usable link to LANIS
* adds/updates translations

intervention/templates/intervention/detail/includes/controls.html

@@ -1,7 +1,7 @@
 {% load i18n l10n fontawesome_5 %}
 
 <div class="d-flex justify-content-end">
-    <a href="{% url 'home' %}" class="mr-2">
+    <a href="{{LANIS_LINK}}" class="mr-2" target="_blank">
         <button class="btn btn-default" title="{% trans 'Open in LANIS' %}">
             LANIS
         </button>