Moved debug prints

Signed-off-by: Jim Martens <github@2martens.de>

_layouts/default.html

@@ -6,6 +6,9 @@
 {% assign showSubmenu = false %}
 {% for item in site.data.header-menu.items %}
     {% if item.items %}
+<pre>{{ page.url }}</pre>
+<pre>{{ item.link }}</pre>
+<pre>{{ page.parent_link }}</pre>
         {% if page.url == item.link %}
             {% assign showSubmenu = true %}
         {% elsif page.parent_link == item.link %}