password obfuscation in advanced

scripts/advanced.php

@@ -245,7 +245,7 @@ foreach($formats as $format){
       <h3>BirdNET-Pi Password</h3>
       <p>This password will protect your "Tools" page and "Live Audio" stream.</p>
       <label for="caddy_pwd">Password: </label>
-      <input style="width:40ch" name="caddy_pwd" type="text" value="<?php print($newconfig['CADDY_PWD']);?>" /><br>
+      <input style="width:40ch" name="caddy_pwd" id="caddy_pwd" type="password" value="<?php print($newconfig['CADDY_PWD']);?>" /><span id="showpassword" onmouseover="document.getElementById('caddy_pwd').type='text';" onmouseout="document.getElementById('caddy_pwd').type='password';">show</span><br>
       <h3>Custom URL</h3>
       <p><a href="mailto:mcguirepr89@gmail.com?subject=Request%20BirdNET-Pi%20Subdomain&body=<?php include('birdnetpi_request.php'); ?>" target="_blank">Email Me</a> if you would like a BirdNETPi.com subdomain. This would be, <i>https://YourLocation.birdnetpi.com</i></p>
       <p>When you update the URL below, the web server will reload, so be sure to wait at least 30 seconds and then go to your new URL.</p>