chore(mockup): rename user role

Author: stampaaaron

apps/mockup/users.html

@@ -195,7 +195,7 @@ <h1 class="Intro--title">Users</h1>
               <tr>
                 <td>1002</td>
                 <td>franz.kanns@example.com</td>
-                <td>User</td>
+                <td>Assistant</td>
                 <td>View Edit</td>
               </tr>
             </tbody>