You need .json file for description(take it from mod or from game, because it's not only description) and png file for image(create it in thumbnail generator app in-game)
lol sorry but could you specify im a little new at this stuff btw its for a automation mod but im pretty certain it works the same
My english is bad, i couldn't.Read wiki "How to make custom config" it contains information that u need
Could you link me to it? I cant find it for some reason. --- Post updated --- ohh nevermind i found it --- Post updated --- Still confusing though, I wish there was a easier tutorial or a video xD im new at this stuff
In here you find some info on how to make thumbnails https://www.beamng.com/threads/explanation-thread-for-and-from-everyone.44468/