Updated link to Roles admin page

app/templates/base.html

@@ -25,7 +25,7 @@
 							{% if current_user.is_admin %}
 								<li><a href="{{ url_for('home.admin_dashboard') }}">Dashboard</a></li>
 								<li><a href="{{ url_for('admin.list_departments') }}">Departments</a></li>
-								<li><a href="#">Roles</a></li>
+								<li><a href="{{ url_for('admin.list_roles') }}">Roles</a></li>
 								<li><a href="#">Employees</a></li>
 							{% else %}
 								<li><a href="{{ url_for('home.dashboard') }}">Dashboard</a></li>