User menu

* adds user notifications and management

templates/base.html

@@ -19,6 +19,14 @@
         {% endblock %}
     </header>
     <div class="container-fluid mt-3 px-5">
+        <div class="">
+        {% for message in messages %}
+            <div class="row alert alert-{{ message.tags }}">
+                {{ message }}
+            </div>
+        {% endfor %}
+        </div>
+
         {% block body %}
 
         {% endblock %}