[DOCS]: Ferrofluid Usage have type error

[WuMingDao]

https://reactbits.dev/backgrounds/ferrofluid

I use the Vite compiler for this project

I look to define not its exist

my codebase: https://github.com/WuMingDao/react-bits-issue

I think I can fix it, but is this website not fix for outside? I not found in contributing, say?