<!-- Add HTML code to the header or the footer.

​

For example, you can use the following code for loading the jQuery library from Google CDN:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3..1/jquery.min.js"></script>

​
6
or the following one for loading the Bootstrap library from jsDelivr:

<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha34-rbsA2VBKQhggwzxH7pPCaAqO46MgnOM80zW1RWuH61DGLwZJEdK2Kadq2FCUG65" crossorigin="anonymous">
8
​
9
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