@snorkelcookislands - just do the following steps (the script is taken from @RyanDejaegher).
Get the slug you assigned to your folder (e.g. "/folder")
Add the following script to how @RyanDejaegher mentioned: Settings -> Advanced -> Code Injection -> Footer
<script>
(function()
{window.addEventListener("load", function () {
var tours = document.querySelector('[href="FOLDER SLUG COPIED FROM STEP 1"]');
tours.addEventListener("click", function () {
window.location = "PAGE SLUG OR FULL URL";
});
})}
)();
</script>
3. Repla