docs: add json schema for engine and model parameters

[tikikun]

No description provided.

[github-actions]

Preview URL: https://cc626b8c.jan-qn8.pages.dev

[hiro-v]

You should add here instead: https://github.com/janhq/jan/blob/main/docs/openapi/specs/models.yaml
This applies to all changes @tikikun

[dan-menlo]

@vuonghoainam @tikikun Quick question - are we able to embed or reference a JSON schema as part of a Swaggerfile?

cc @hieu-jan

[tikikun]

You should add here instead: https://github.com/janhq/jan/blob/main/docs/openapi/specs/models.yaml This applies to all changes @tikikun

Doesn't look right since this is value range for the model and engine section