Select quantity of items from minicart

Hi @xootix, congratulations on your plugin!

How could I add an option to select and choose the desired quantity of items from the mini cart? An option to select more than one, so no need to go to the cart page to do the selection of quantity.

Please see image below to see from where I mean:

https://snipboard.io/pCjhRe.jpg

Thanks! 🙂

The page I need help with: [log in to see the link]