radiocampus/public: add secondary links

radiocampus/templates/aircox/public.html

@@ -0,0 +1,33 @@
+{% extends "./base.html" %}
+{% load aircox %}
+
+
+{% comment %}
+Override is a trick here: it allows to change title at two different different
+places inside the page: inside `<title>` tag, and inside the page
+content.
+{% endcomment %}
+
+{% block head-title %}
+    {% block title %}
+    {% if page and page.title %}{{ page.title }}{% endif %}
+    {% endblock %}
+    {% if page and page.title %}&mdash;{% endif %}
+    {{ station.name }}
+{% endblock %}
+
+{% block header %}{% if page %}{{ block.super }}{% endif %}{% endblock %}
+
+{% block secondary-nav %}
+{% if not parent and categories %}
+{% else %}
+<nav class="nav secondary">
+    <div class="nav-menu nav-categories">
+     {% nav_items "secondary" css_class="nav-item" active_class="active" as items %}
+     {% for item, render in items %}
+     {{ render }}
+     {% endfor %}
+    </div>
+</nav>
+{% endif %}
+{% endblock %}