Add site map

source/robots.txt

@@ -1,4 +1,6 @@
 ---
 permalink: none
+sitemap:
+    _exclude: yes
 ---
 User-agent: *

source/sitemap.xml

@@ -0,0 +1,28 @@
+---
+permalink: none
+use:
+  - sitemap
+sitemap:
+  _exclude: yes
+---
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  {% for url in data.sitemap %}
+    <url>
+
+      {# Last slash for pretty url #}
+      <loc>{{ site.url }}{{ url.loc != '/.' ? (url.loc ~ '/') : '' }}</loc>
+
+      <lastmod>{{ url.lastmod }}</lastmod>
+
+      {% if url.changefreq %}
+        <changefreq>{{ url.changefreq }}</changefreq>
+      {% endif %}
+
+      {% if url.priority %}
+        <priority>{{ url.priority }}</priority>
+      {% endif %}
+
+    </url>
+  {% endfor %}
+</urlset>