feat: tracking integration with GTM and CMP

templates/base.html.twig

@@ -8,6 +8,16 @@
         <link rel="icon" href="{{ asset('build/favicon/favicon.ico') }}" sizes="32x32">
         <link rel="icon" href="{{ asset('build/favicon/icon.svg') }}" type="image/svg+xml">
         <link rel="apple-touch-icon" href="{{ asset('build/favicon/apple-touch-icon.png') }}">
+        {% if cmp_url() is not empty %}
+            <script src="{{ cmp_url() }}"></script>
+            <script type="text/plain" data-cookiefirst-category="necessary">
+                (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+                new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+                j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+                'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+                })(window,document,'script','dataLayer','{{ gtm_id() }}');
+            </script>
+        {% endif %}
         {% block stylesheets %}
             {{ encore_entry_link_tags('app') }}
         {% endblock %}