Enhancement Proposal: Gateway API Inference Extension

[mpstefan]

As a maintainer for NGF
I want a design for the implementation of the Gateway API inference extension
So that I can build out the implementation with confidence
And so that I can plan out the stories for implementation.

Acceptance

• A design for the implementation of the inference extension is created and reviewed by the team.

[nginx-bot]

Hi @mpstefan!

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