This is the file that is required to power Lethal, make sure to add this file in the same directory as settings.js, it will preload all required perquisites so Lethal runs smoothly.

When modifying your html files, make sure to add these tags before your header tags with the correct directories set in order to ensure that the required scripts are being loaded:
<script src="./js/settings.js"></script>
<script type="module" src="./js/ob.js"></script>