Add user self delete function

app/templates/admin/admin_user_page.html.j2

@@ -70,7 +70,7 @@
     <div class="card-content">
       <span class="card-title">Administration actions</span>
       <!-- Confirm deletion of selected user with modal dialogue
-    Modal Trigger-->
+      Modal Trigger-->
       <a href="#modal-confirm-delete" class="waves-effect waves-light btn red modal-trigger"><i class="material-icons left">delete</i>Delete User</a>
       <!-- Modal Strucutre -->
       <div id="modal-confirm-delete" class="modal">