Add explanatory texts to circle related views

snikket_web/templates/admin_circles.html

@@ -2,6 +2,8 @@
 {% from "library.j2" import action_button, custom_form_button, form_button, circle_name %}
 {% block content %}
 <h1>{% trans %}Manage circles{% endtrans %}</h1>
+<p>{% trans %}<em>Circles</em> aim to help people who are in the same social circle find each other on your service.{% endtrans %}</p>
+<p>{% trans %}Users who are in the same circle will see each other in their contact list. In addition, each circle has a group chat where the circle members are included.{% endtrans %}</p>
 {%- if circles -%}
 <form method="POST" action="{{ url_for(".create_invite") }}">
 {{- invite_form.csrf_token -}}

snikket_web/templates/admin_home.html

@@ -9,6 +9,7 @@
 	</a>
 	<a class="card" href="{{ url_for('.circles') }}">
 		<h2>{% trans %}Manage circles{% endtrans %}</h2>
+		<p>{% trans %}Create and manage social circles represented on your service.{% endtrans %}</p>
 	</a>
 	<a class="card" href="{{ url_for('.invitations') }}">
 		<h2>{% trans %}Manage invitations{% endtrans %}</h2>