CC0 is a completely different license than the one you are describing, you are describing a CC BY 4.0.
https://creativecommons.org/licenses/by/4.0/deed.en
https://creativecommons.org/publicdomain/zero/1.0/deed.en
I linked them so you can take a look.
Let me know which one you decide! I'd love to use this if it IS CC0.