add app user management allauth

templates/layouts/blank.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+
+{% block layout %}
+<div class="container">
+  <div class="row justify-content-center">
+    <div class="col-12 col-md-10 col-lg-8">
+      {% block content %}
+      {% endblock %}
+    </div>
+  </div>
+</div>
+{% endblock %}