Update admin maintenance settings view

resources/views/admin/settings/maintenance.blade.php

@@ -1,9 +1,14 @@
 @extends('admin.partial.template')
 
+@include('admin.settings.sidebar')
+
 @section('section')
 <div class="title">
 	<h3 class="font-weight-bold">Maintenance</h3>
+	<p class="lead">Enable maintenance mode</p>
 </div>
 <hr>
-
+<p class="alert alert-warning">
+	<strong>Feature Unavailable:</strong> This feature will be released in v0.9.0.
+</p>
 @endsection