gpu doc refresh

[kwmonroe]

• adjust flow for a less headache-inducing experience
• add azure instance types (aws and azure are similar; gcp is the odd-cloud out)
• bump nvidia-test.yaml image to current supported version for k8s 1.27
• update example syntax and output
• update links

Fixes #593

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[kwmonroe]

Just a query over the location of the asset yaml

Let's keep this asset here for now with the expectation that we'll re-home all these in one fell swoop with #765.