Mod requests (orders).

 

Thanks, friend. I really don't understand anything; there are no clear instructions, neither on how to prepare the yml file, nor on how to even run this patcher... Okay, forget about this patcher and mod.

.yml doesn't need to be prepared; it's already a ready-made file with settings.
Just imagine that the "Patcher" is a machine, and the .yml is a cartridge. You just need to download the patcher and put it in the root folder of the game, in the bin folder, and run it there. If you also have a .yml file in the root folder of the game, in the bin folder, it will offer you the option to patch the Launcher (.Exe) with it.

Then you need to write lists and form the internal structure of folders with files, but you have already created the folders with files. In essence, you have already done the most important thing; all that remains is to teach the executable to recognize what you have done and write a list of available creatures for it.