Broken link (Prisma)

[sebastienbarre]

Description

Howdy. Thanks for creating this document.
In the "Type Union & Boolean Flags" section, the "Prisma differentiation" link is broken. Here is the correct one:
https://www.prisma.io/docs/orm/prisma-client/special-fields-and-types/null-and-undefined
Thanks

[mkosir]

Hey @sebastienbarre glad you are finding the guide useful 🚀
Much appreciated if you could open a PR to fix it, thanks a lot!