Qwiic Pro Micro for USB2USB (+ 2nd USB port?)

Hi, I’m looking to remap a USB keyboard, & am looking for the right hardware + software to do it. Seems some call this a “USB to USB keyboard converter”. EG:

keyboard → converter → computer

Previous art sometimes use [ProMicro/Teensy2 + Mini USB Host shield. I see that your new Qwiic Pro Micro USBC is already an USB-Host at a cheap price! But I still need a second USB port to connect my keyboard into it? Is there code available to translate the keypresses?

Or is there an easier (soldering & programming) & cheaper way to do this?

TIA](TMK USB to USB keyboard converter)