feat: tracking integration with GTM and CMP

templates/booking/create/step_4.html.twig

@@ -567,4 +567,8 @@
         </div>
     {{ form_rest(form) }}
     {{ form_end(form) }}
+    {% include '_partials/_tracking.html.twig' with {
+        'url': '/trichter_Z1/schritt4_uerbersicht_bestaetigung',
+        'title': 'Übersicht und Bestätigung'
+    } %}
 {% endblock %}