Added contributors field to import schema

[Billa05]

This PR closes #8718
from open library repo.

Description:

Added missing contributors field to import schema

@cdrini

[hornc]

Thank you @Billa05!

I'll let @cdrini comment too, but I think we could also remove the original contributions string only version from this file at the same time. I don't think any existing import process using this API is sending contributions and I think we should deprecate it. Removing it from the schema so that the one you just added is the only contributors field for imports would avoid any confusion.

[cdrini]

Looking good! A few changes.

Can you also try validating this? Maybe using a site like https://www.jsonschemavalidator.net/ just to make sure we have all the syntax right! :)

[cdrini]

@hornc Let's label it as deprecated I think instead of removing it entirely, and place it at the bottom of the doc. The endpoint does still accept this field, so I think it's useful documentation to note that!

See https://json-schema.org/draft/2019-09/json-schema-validation#rfc.section.9.3

[cdrini]

Lgtm! Tested on https://www.jsonschemavalidator.net/ and it worked correctly.

[Mohammed-Alanazisa]

This PR closes #8718 from open library repo.

Description:

Added missing contributors field to import schema

@cdrini

[CLOUDCUMPUTING]

DE PAUL