Add logout form

Author: rvanleeuwen-leukeleu

packages/hidp/hidp/templates/hidp/includes/forms/logout_form.html

@@ -0,0 +1,14 @@
+{% load i18n %}
+
+{% comment %}
+The logout_url is required for the form action. It is passed in from the view
+that renders this template. If the logout_url is not provided, the form will 
+submit to the current URL, which may not be the intended behavior.
+{% endcomment %}
+
+{% if logout_url %}
+  <form action="{{ logout_url }}" method="post">
+    {% csrf_token %}
+    <input class="secondary" type="submit" value="{{ logout_label|default:_("Sign out") }}" />
+  </form>
+{% endif %}