merge: load Leaflet maps in admin template preview

web/src/padelnomics/admin/templates/admin/template_preview.html

@@ -3,6 +3,10 @@
 
 {% block title %}Preview - {{ preview.title }} - Admin{% endblock %}
 
+{% block head %}{{ super() }}
+<link rel="stylesheet" href="{{ url_for('static', filename='vendor/leaflet/leaflet.min.css') }}">
+{% endblock %}
+
 {% block admin_content %}
   <a href="{{ url_for('admin.template_detail', slug=config.slug) }}" class="text-sm text-slate">&larr; Back to template</a>
 
@@ -29,3 +33,8 @@
     </div>
   </div>
 {% endblock %}
+
+{% block scripts %}
+<script>window.LEAFLET_JS_URL = '{{ url_for("static", filename="vendor/leaflet/leaflet.min.js") }}';</script>
+<script src="{{ url_for('static', filename='js/article-maps.js') }}"></script>
+{% endblock %}