[Feature]: Openapi reference

[shturec]

Checklist

• I've searched for similar issues and couldn't find anything matching
• I've discussed this feature request in the K8sGPT Slack and got positive feedback

Is this feature request related to a problem?

No

Problem Description

No response

Solution Description

Running k8sgpt wth flag --http enables a REST API via grpc gateway.
There are way to generate openapi from grpc as the grpc gateway readme suggests:
https://github.com/grpc-ecosystem/grpc-gateway?tab=readme-ov-file#6-optional-generate-openapi-definitions-using-protoc-gen-openapiv2

Benefits

This is a very tangible and useful integration scenario and an openapi specification will nicely support the integration efforts based on it.

Potential Drawbacks

No response

Additional Information

No response