Add extended trademark hints to the about page

snikket_web/templates/about.html

@@ -14,6 +14,8 @@
 		<p>{% trans agpl_url="https://www.gnu.org/licenses/agpl.html" %}The web portal software is licensed under the terms of the <a href="{{ agpl_url }}">Affero GNU General Public License, version 3.0 or later</a>. The full terms of the license can be reviewed using the aforementioned link.{% endtrans %}</p>
 		<p>{% trans source_url="https://github.com/snikket-im/snikket-web-portal/" %}The source code of the web portal can be downloaded and viewed in <a href="{{ source_url }}">its GitHub repository</a>.{% endtrans %}</p>
 		<p>{% trans source_url="https://material.io/resources/icons/", apache20_url="https://www.apache.org/licenses/LICENSE-2.0.txt" %}The icons used in the web portal are <a href="{{ source_url }}">Google’s Material Icons</a>, made available by Google under the terms of the <a href="{{ apache20_url }}">Apache 2.0 License</a>.{% endtrans %}</p>
+		<h3>{% trans %}Trademarks{% endtrans %}</h3>
+		<p>{% trans trademarks_url="https://snikket.org/about/trademarks/" %}“Snikket” and the parrot logo are trademarks of Snikket Community Interest Company. For more information about the trademarks, visit the <a href="{{ trademarks_url }}">Snikket Trademarks information page</a>.{% endtrans %}
 		<h3>{% trans %}Software Versions{% endtrans %}</h3>
 		<pre>Snikket Server
 Domain: {{ config["SNIKKET_DOMAIN"] }}