[beginner] User added assets

Aim: to have a folder into which the user can add image assets which appear in game. c.f Pillars of Eternity portraits.

Problem: Whenever i package the program i have options to make a large .pak file or individual .uasset files, which I do not want. I have seen images online where on editing the packaging options this compression can be stopped, but I do not see that option.

I am a complete beginner and am just flapping my hands at this software but any help would be appreciated.