Paging backwards with cursor-based pagination

[ericchernuka]

Wondering if there is any appetite for take using a negative number to allow for paging backward easily? I haven't dug into the code to see the implications of a change like this but I wanted to get some feedback since it seems incredibly useful and straightforward for users.

https://www.prisma.io/docs/concepts/components/prisma-client/pagination#example-paging-backwards-with-cursor-based-pagination