Packaging a KDE Aurorae theme for NixOS

Hello! I’ve recently just started to dip my feet (ie. today) into NixOS, and wanted to get the look & feel of my previous KDE desktop back, including the themes I had applied. Now, the common way to install themes, and the way I’d do it under other distros would just be to go to the KDE settings app, under the theming section hit ‘Get new’ and download the theme that way. However, as I had just gone through the effort of installing NixOS, it seemed a bit self-defeating to just immediately start ...