Disable Add List button for non-staff

todo/templates/todo/list_lists.html

@@ -21,7 +21,13 @@
   {% endfor %}
 
   <div class="mt-3">
+    
+    {% if user.is_staff %}
       <a href="{% url 'todo:add_list' %}" class="btn btn-primary">Create new todo list</a>
+    {% else %}
+      <a href="" class="btn btn-primary disabled">If you were staff, you could create a new list</a>
+    {% endif %}
+      
   </div>
 
 {% endblock %}