How do I add a udev rule in NixOS to set my AMD GPU's performance level to 'high' ?

So I have been experiencing screen blackout when I use any refresh rate above 60Hz. On Arch I was able to solve this by setting a udev rule as mentioned in this ArchWiki article but it seems like I can’t do the same in NixOS using the traditional way. Is there anything I need to add in the configuration.nix file to achieve the...