feat: maintenance mode indicator for whitelisted ips

templates/base.html.twig

@@ -16,6 +16,7 @@
         {% endblock %}
     </head>
     <body class="bg-white text-gray-700 font-sans antialiased text-sm">
+        {% include '_partials/_maintenance_banner.html.twig' %}
         {% block body %}{% endblock %}
         {% include '_partials/_flashes.html.twig' %}
     </body>