add register client template

src/authentic2/templates/authentic2/register_client.html

@@ -0,0 +1,22 @@
+{% extends "authentic2/base-page.html" %}
+{% load i18n %}
+
+{% block page-title %}
+  {{ block.super }} - {{ view.title }}
+{% endblock %}
+
+{% block breadcrumb %}
+  {{ block.super }}
+  <a href="..">{% trans "Your account" %}</a>
+  <a href="">{{ view.title }}</a>
+{% endblock %}
+
+{% block content %}
+  Client registration.
+  <form enctype="multipart/form-data" method="post">
+
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button class="submit-button">{% trans "Register" %}</button>
+  </form>
+{% endblock %}