Added links to the slice systems, based on these repositories, with slight changes or additions to improve a couple of things:
Ezy Slice: https://github.com/DavidArayan/ezy-slice
Limb Hacker: https://github.com/NobleMuffins/LimbHacker
IMPORTANT: Make sure to download the content of the repository it self, here:
And unzip the main .zip having the rest of zipped files of the imange in the same folder as well:
And import the package file inside for the animations. After import it, close and open unity, and all the animations are assigned automatically.