how do I make a mod. I've been trying , but failed so if you know message me. I might make a good mod that is useful. May involve butter. So guys please help me do this. I know it will be my first mod, but will be useful. randomawdjfhuyfbuoifhbfyhvberfhaebvhaerbfhqeavbejrhgfbegjberfijbaedghqerbfjqerbfqigfb;erigfberigbqergiebnfkjerbfkegjeirginerfkjbergkjergnbe