Really the mod should be created in the editor itself. It generates all the necessary info.

My suggestion would be to create an add-on mod fresh in the editor, name it how you want it.

Then copy/paste your files where they belong in the new mod.

If the only files you changed are the presets, they should go in:
Divinity Original Sin 2\Data\mods\YOUR MOD HERE\CharacterCreation

And whatever subfolders follow.

My D:OS Mods:
Dunamis - A 15 hour Adventure Mod for D:OS EE

A Necromancer's Crusade - 10 hour adventure mod for D:OS EE

4 Character Creation (EE)