alright, I managed to edit the files, thanks for your help

All Stellaris mod should be in a directory similar to this:
D:\\Programme (x86)\\[basically whereever you have Steam saved on your PC]Steam\\steamapps\\workshop\\content\\281990\\
The 281990 at the end is the "game id" that Steam uses for Stellaris. Under that folder you'll find this mod with the number 1599869250.

actually, another issue, where exactly do I find the files

ah, thanks

@GROMALOCARIS
Its in the line
random_weight = { base = 0 }
The weight for normal civics is 5.

how do I edit the file exactly so I can get random AI to spawn with it

@Twink
You are right, but localisation/interface is my least favourite part of modding. Its great how easy you can put in icons for civics, so now I just need a new icon. Using the agrarian for now.

Also, I fastened the nerf-screw even more.

you should consider making a localization and an icon for your mod or at least refer to an icon so one it used. You can edit a localization file by using a program such as notepad++ and you would simply need to add two lines such as "civic_minor_faction:0 "[insert name here] and civic_minor_faction_desc: "[insert desciription here]" futhermore to make it nicer, you could refer in the civics to an acutal civic icon which would show then ingame. such reference can look for example like "icon = "gfx/interface/icons/governments/civics/civic_agrarian_idyll.dds"". i hope that helps you with future modding ideas.