feat: add dashboard & openwebui to k8s deploy

[JaredforReal]

What this PR does / why we need it:

• update how we use kind to leverage hostPath PVC for models
• add dashboard/, openwebui/, pipelines/, chat-ui, mongo to deploy/kubernetes/observability/
• update deploy/docker-compose/README.md
• update deploy/kubernetes/README.md
• update deploy/kubernetes/observability/README.md

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[github-actions]

👥 vLLM Semantic Team Notification

The following members have been identified for the changed files in this PR and have been automatically assigned:

📁 Root Directory

Owners: @rootfs, @Xunzhuo
Files changed:

• .github/workflows/k8s-config-test.yml
• .github/workflows/k8s-kind-integration-test.yml
• .github/workflows/k8s-security-scan.yml
• .github/workflows/k8s-shared-config.yml
• .github/workflows/k8s-validate-manifests.yml
• .github/workflows/k8s-integration-test.yml
• .gitignore

📁 deploy

Owners: @rootfs, @Xunzhuo
Files changed:

• deploy/kubernetes/observability/chat-ui/deployment.yaml
• deploy/kubernetes/observability/dashboard/config.yaml
• deploy/kubernetes/observability/dashboard/configmap.yaml
• deploy/kubernetes/observability/dashboard/deployment.yaml
• deploy/kubernetes/observability/dashboard/service.yaml
• deploy/kubernetes/observability/dashboard/tools_db.json
• deploy/kubernetes/observability/mongo/deployment.yaml
• deploy/kubernetes/observability/openwebui/deployment.yaml
• deploy/kubernetes/observability/pipelines/deployment.yaml
• deploy/kubernetes/observability/pipelines/vllm_semantic_router_pipe.py
• deploy/kubernetes/pv-models.yaml
• deploy/docker-compose/README.md
• deploy/kubernetes/README.md
• deploy/kubernetes/config.yaml
• deploy/kubernetes/deployment.yaml
• deploy/kubernetes/kustomization.yaml
• deploy/kubernetes/observability/README.md
• deploy/kubernetes/observability/ingress.yaml
• deploy/kubernetes/observability/kustomization.yaml

📁 tools

Owners: @yuluo-yx, @rootfs, @Xunzhuo
Files changed:

• tools/kind/README.md
• tools/kind/generate-kind-config.sh
• tools/kind/kind-config.yaml.template

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🎉 Thanks for your contributions!

This comment was automatically generated based on the OWNER files in the repository.

[JaredforReal]

need more test, leave it as draft

[JaredforReal]

What will do in follow-up PRs: some docs to be updated; fix internal network error; add llm-katan; introduce ways to mount local models files

[JaredforReal]

Sorry it took a bit and is rough for now — it should be ready for review now. I’ll keep polishing it along the way. @rootfs @Xunzhuo

[rootfs]

@JaredforReal why some tests failed but no error message?

[rootfs]

thank you! this is great!