Add auth.profile view.

app/templates/base.html.j2

@@ -20,7 +20,7 @@
       </div>
       <ul id="nav-account-dropdown" class="dropdown-content">
         {% if current_user.is_authenticated %}
-        <li><a href="#!"><i class="material-icons">person</i>Profile</a></li>
+        <li><a href="{{ url_for('auth.profile') }}"><i class="material-icons">person</i>Profile</a></li>
         <li class="divider"></li>
         <li><a href="{{ url_for('auth.logout') }}"><i class="material-icons">chevron_left</i>Log out</a></li>
         {% else %}