Make room for more page templates

templates/page.html

-{% extends "base.html" %}
-
-{% block main %}
-  <section class="section">
-    <div class="container">
-      <h1 class="title is-1">{{ page.title }}</h1>
-      {% block content %}
-        <div class="content mt-4">
-          {{ page.content | safe }}
-        </div>
-      {% endblock content %}
-    </div>
-  </section>
-{% endblock %}
+{% extends "pages/content.html" -%}

templates/pages/content.html

+{% extends "base.html" %}
+
+{% block main %}
+  <section class="section">
+    <div class="container">
+      <h1 class="title is-1">{{ page.title }}</h1>
+      {% block content %}
+        <div class="content mt-4">
+          {{ page.content | safe }}
+        </div>
+      {% endblock content %}
+    </div>
+  </section>
+{% endblock %}