Create chatqna-cluster.yaml

[ahsan518]

Create Chatqna blueprint for OPEA ChatQNA GKE Cluster

Submission Checklist

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• Fork your PR branch from the Toolkit "develop" branch (not main)
• Test all changes with pre-commit in a local branch #
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• Add or modify unit tests to cover code changes
• Ensure that unit test coverage remains above 80%
• Update all applicable documentation
• Follow Cluster Toolkit Contribution guidelines #

[google-cla]

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[annuay-google]

Move all files to community/examples/intel