default copyright add version

Author: wuyue92tree

adminlteui/templates/admin/base_site.html

@@ -73,7 +73,8 @@ <h5><i class="icon fa fa-info"></i>{{ message|capfirst }}</h5>
 {% if adminlte.copyright %}
     {{ adminlte.copyright }}.
 {% else %}
-    <a href="https://github.com/wuyue92tree/django-adminlte-ui">django-adminlte-ui</a>.
+    {% get_adminlte_version as adminlte_version %}
+    <a href="https://github.com/wuyue92tree/django-adminlte-ui/tree/{{ adminlte_version }}">django-adminlte-ui {{ adminlte_version }}</a>.
 {% endif %}
 </strong> All rights reserved.
 {% endblock %}