Provide JSON Schema of `Context` to allow strict type generation towards scripts

[greenhat616]

Is there an existing issue or pull request for this?

• [x] I have searched the existing issues and pull requests

Feature description

We are integrated Github with Linear to manager Projects cycle.

We should parse github pr metadata and generate related Linear issue from it, thus, a third-part script is required.

Desired solution

We can use schemars to Generate related Schema automaticly, and post the schema to website or github repo.

Alternatives considered

Nope

Additional context

No response