Create linter rule or plugin to validate route.[method].config.ts

[nico-hyperjump]

We need a linter to make sure the exported functions exist and correct:

• make sure requestValidator is exported and it's zod object with correct properties
• make sure responseValidator is exported and it's zod object
• make user handler function is exported with correct signature

requestValidator

It should have the following optional properties:

• body
• params
• searchParams
• headers
• user

handler

• The handler function must be typed with HandlerFunc<typeof requestValidator, typeof responseValidator>