feat: cockroachdb support

[Mokto]

Problem

Right now we can't use providers that have been added recently : Cockroachdb & Planetscale.

Any file generation attempt returns:

Error: Get config: Schema Parsing P1012

error: Datasource provider not known: "cockroachdb".
  -->  schema.prisma:2
   | 
 1 | datasource db {
 2 |   provider = "cockroachdb"
   | 

Validation Error Count: 1

Suggested solution

Support it

Thanks a lot !