add option to supply jsonSchema

[ricksmit3000]

📝 Description

I have a usecase where I rather supply a json object from memory instead of a file.

Added

• adds the ability to supply a JSON schema object as is supported by https://github.com/APIDevTools/json-schema-ref-parser

Changed

• an option supplied to json-schema-ref-parser

Deleted

• <detail item of what was removed>

🔗 Related Issues

• <refer the issue>

PR Checklist Forms

• CHANGELOG.md updated
• Reviewer assigned
• PR assigned (presumably to submitter)
• Labels added (enhancement, bug, documentation)