chore: added proper inference-extension- prefix for demostration manifests

[nekomeowww]

Summary

Followed the naming pattern that Istio uses:

istio-reader-clusterrole-istio-system
istiod-clusterrole-istio-system

where <group/type/category>-<role>-<resoucename>.

Test

$ kubectl apply -f '/Users/neko/Git/kubernetes-sigs/gateway-api-inference-extension/config/manifests/inferencepool-resources.yaml'
inferencepool.inference.networking.x-k8s.io/vllm-llama3-8b-instruct created
service/vllm-llama3-8b-instruct-epp created
deployment.apps/vllm-llama3-8b-instruct-epp created
configmap/inference-extension-plugins-config created
clusterrole.rbac.authorization.k8s.io/inference-extension-read-clusterrole created
clusterrolebinding.rbac.authorization.k8s.io/inference-extension-read-clusterrole-binding created

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[k8s-ci-robot]

Hi @nekomeowww. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[kfswain]

can we change these to inference-gateway if we want to add this prefix? That's the more common name we use, and the one we would like to present for the most part (the name of the repo is a regret of mine)

[nekomeowww]

can we change these to inference-gateway if we want to add this prefix? That's the more common name we use, and the one we would like to present for the most part (the name of the repo is a regret of mine)

Sure NP. Updated.

[nirrozenbaum]

there are more places that should be updated if we would like to do this change.
there's also the manifests in conformance tests and in e2e tests.
also the helm charts + templates of the charts.
I would also check all the quickstart guides which I'm pretty sure have references to these resources.

this change is definitely not local to this file.

[nekomeowww]

I was testing to integrate GAIE to https://github.com/knoway-dev/knoway, and these tutorial used files are the most often used files during the workflow so I updated them in much more higher priority.

Sure. Let me check for them.

[kfswain]

/ok-to-test

[k8s-ci-robot]

PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[danehans]

I prefer we remove the namespace definitions in this file so a user can set a different namespace manually using kubectl apply.

[danehans]

I prefer holding off on merging this PR until v1.0 is cut. I want to avoid having any last-minute regressions.

[nirrozenbaum]

I prefer holding off on merging this PR until v1.0 is cut. I want to avoid having any last-minute regressions.

/hold