Integrate native Unraid navigation and theme

webgui/Backupper.page

@@ -1,13 +1,15 @@
-Menu="Tools"
-Title="Backupper"
+Menu="Tasks:55"
+Name="Backupper"
 Icon="fa-floppy-o"
-Type="php"
+Type="xmenu"
+Tabs="true"
+Code="f0c7"
 Tag="backup restic snapshots restore"
 ---
 <?php
 $pluginRoot = '/plugins/backupper';
 ?>
-<link rel="stylesheet" href="<?= $pluginRoot ?>/assets/backupper.css?v=2">
+<link rel="stylesheet" href="<?= $pluginRoot ?>/assets/backupper.css?v=4">
 <div id="backupper-app" data-api="<?= $pluginRoot ?>/api.php">
   <header class="bu-header">
     <div><h1>Backupper</h1><p>Encrypted Restic backups for Unraid</p></div>
@@ -26,4 +28,4 @@ $pluginRoot = '/plugins/backupper';
   <div id="bu-toast" role="status" aria-live="polite"></div>
 </div>
 <script>window.BACKUPPER_CSRF = <?= json_encode($var['csrf_token'] ?? '') ?>;</script>
-<script src="<?= $pluginRoot ?>/assets/backupper.js?v=2"></script>
+<script src="<?= $pluginRoot ?>/assets/backupper.js?v=4"></script>