[code-reflection] RFR: [docs][hat] Notes for building and running with the CUDA backend

[duke]

On Wed, 30 Jul 2025 08:45:14 GMT, Juan Fumero <duke at openjdk.org> wrote:

> This PR extends the documentation for HAT to dispatch with the CUDA backend on NVIDIA GPUs.

@jjfumero 
Your change (at version f491b341d408a2b9d734f25e0b52dd6595ee919a) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/babylon/pull/503#issuecomment-3135405751