templates: split the code path into multiple separate links

assets/templates/repo/code.html

@@ -10,7 +10,9 @@
 <div id=contentWrap>
 	<aside>		
 		<p class=sidebarLabel>
-			<a href="/"></a><a href="/">{{ directory }}</a>
+			{% for part in directory | split(pat="/") -%}
+				<a href="/">{{ part }}/</a>
+			{%- endfor %}
 		</p>
 		<table class=files border=1>
 		<tbody>