Yes, please. This is a very common feature for UX that many other websites have, and would greatly improve the experience for customers who have many files in Qlik. Deleting/duplicating/moving multiple files one by one is very tedious.
NOTE: Upon clicking this link 2 tabs may open - please feel free to close the one with a login page. If you only see 1 tab with the login page, please try clicking this link first: Authenticate me! then try the link above again. Ensure pop-up blocker is off.