Add See also section

layouts/_default/single.html

@@ -24,4 +24,21 @@
 {{ end }}
 
 {{ .Content }}
+
+{{ $related := .Site.RegularPages.Related . | first 5 }}
+{{ with $related }}
+<div class="see-also">
+    <h2>{{ i18n "see_also" }}</h2>
+
+    <ul>
+        {{ range . }}
+        <li>
+            {{ with .Parent.Params.icon }}{{ partial "icon.html" . }}{{ end }}
+            <a href="{{ .Permalink }}">{{ .Title | markdownify }}</a>
+        </li>
+        {{ end }}
+    </ul>
+</div>
+{{ end }}
+
 {{ end }}