Fiz muita coisa aqui!

_layouts/default.html

@@ -6,7 +6,12 @@
     <meta charset="utf-8">
 	<!-- <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.4/css/bulma.min.css"> -->
 	<link rel="stylesheet" href="{{ site.baseurl }}/Assets/css/main.css">
-    {% if page.styles %}{{ page.styles }}{% endif %}
+    <!-- Leaflet CSS -->
+	<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
+
+	<!-- Leaflet JS -->
+	<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
+	{% if page.styles %}{{ page.styles }}{% endif %}
 	<title>
         {% if page.title %}{{ page.title | escape }}{% else %}{{ site.title | escape }}{% endif %}
     </title>