chore: Make the titles h2 rather than h1

Signed-off-by: Awiteb <a@4rs.nl>

templates/base.html

@@ -113,7 +113,7 @@
                     {% endfor %}
                 </nav>
                 {% endif %}
-                {% block header %}{% if title %}<h1>{{ config.title }}</h1>{% endif %}{% endblock header %}
+                {% block header %}{% if title %}<h2>{{ config.title }}</h2>{% endif %}{% endblock header %}
             </header>
             <main class="page-content" aria-label="Content">
                 {% block content %}{% endblock content %}

templates/page.html

@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 
 {% block header %}
-<h1>{{ page.title }}</h1>
+<h2>{{ page.title }}</h2>
 {% endblock header %}
 
 {% block content %}

templates/section.html

@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 
 {% block header %}
-<h1>{{ section.title }}</h1>
+<h2>{{ section.title }}</h2>
 {% endblock header %}
 
 {% block content %}