Add the new "integrity check" option to debug log page

Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>

debug.php

@@ -1,20 +1,31 @@
-<?php /*
+<?php
+/*
 *    Pi-hole: A black hole for Internet advertisements
 *    (c) 2017 Pi-hole, LLC (https://pi-hole.net)
 *    Network-wide ad blocking via your own hardware.
 *
 *    This file is copyright under the latest version of the EUPL.
-*    Please see LICENSE file for your rights under this license. */
-    require "scripts/pi-hole/php/header.php";
+*    Please see LICENSE file for your rights under this license.
+*/
+
+require "scripts/pi-hole/php/header.php";
 ?>
 <!-- Title -->
 <div class="page-header">
     <h1>Generate debug log</h1>
 </div>
 <div>
-    <input type="checkbox" id="upload">
-    <label for="upload">Upload debug log and provide token (shown at the end of the report) once finished</label>
+    <h3>Options:</h3>
+    <div>
+        <input type="checkbox" id="dbcheck">
+        <label for="dbcheck">Execute database integrity check <i class="text-red">(this can add several minutes to debug log time)</i></label>
+    </div>
+    <div>
+        <input type="checkbox" id="upload">
+        <label for="upload">Auto-upload debug log and provide token (the URL token will be shown at the end of the report, once finished)</label>
+    </div>
 </div>
+<br>
 <p>Once you click this button a debug log will be generated and can automatically be uploaded if we detect a working internet connection.</p>
 <button type="button" id="debugBtn" class="btn btn-lg btn-primary btn-block">Generate debug log</button>
 <pre id="output" style="width: 100%; height: 100%;" hidden></pre>