docs: another way to hide a page title at API Reference page

docs/.overrides/api_reference.html

@@ -0,0 +1,20 @@
+{% extends "main.html" %}
+
+{% block htmltitle %}
+    {% if page.meta and page.meta.title %}
+        <title>{{ page.meta.title }}</title>
+    {% elif page.title and not page.is_homepage %}
+        <title>{{ page.title | striptags }}</title>
+    {% else %}
+        <title>{{ config.site_name }}</title>
+    {% endif %}
+{% endblock %}
+
+{% block content %}
+    {% include "partials/api_ref_content.html" %}
+{% endblock %}
+
+{% block extrahead %}
+    <style>.md-content__button {display:none !important}; </style>
+    <style>.md-header__topic {font-weight:700 !important}</style>
+{% endblock %}