Add rendering of indices for the entire site and each section

omicron/ssg/templates/plain/index.html

@@ -0,0 +1,31 @@
+{% extends "base.html" %}
+
+{% block title %}{% if section %}{{ section }} — {% endif %}{{ site.name }}{% if page_num > 1 %} — Page {{ page_num }}{% endif %}{% endblock %}
+
+{% block main %}
+{% if section %}<h1>{{ section }}</h1>{% endif %}
+{% for item in items %}
+<article>
+    <header>
+        <h2><a href="{{ site.base_dir }}{{ item.uri }}">{{ item.title }}</a></h2>
+        <time datetime="{{ item.created }}">{{ item.created }}</time>
+    </header>
+    {% if item.summary %}<p>{{ item.summary }}</p>{% endif %}
+</article>
+{% endfor %}
+{% if total_pages > 1 %}
+<nav>
+    {% if page_num > 1 %}
+    <a href="{{ site.base_dir }}{% if section %}{{ section }}/{% endif %}page-{{ page_num - 1 }}.html">← Newer</a>
+    {% endif %}
+    {% for p in range(1, total_pages + 1) %}
+    {% if p == page_num %}<strong>{{ p }}</strong>
+    {% else %}<a href="{{ site.base_dir }}{% if section %}{{ section }}/{% endif %}page-{{ p }}.html">{{ p }}</a>
+    {% endif %}
+    {% endfor %}
+    {% if page_num < total_pages %}
+    <a href="{{ site.base_dir }}{% if section %}{{ section }}/{% endif %}page-{{ page_num + 1 }}.html">Older →</a>
+    {% endif %}
+</nav>
+{% endif %}
+{% endblock %}