That Is a ticket-tracker for the user documentation repository and it is the best position to write a recommendation or ask for an improvement. For that, you might just have to have a GitHub account. PrestaShop is a program without limitations! You can freely extend your store, change functionalities, adapt https://www.presta-addons-modules.com/es/free-modules/prestashop-scroll-to-top-of-page-move-on-a-page-from-bottom-to-top.html