feat(rocprofiler-sdk) add initial pc sampling skill

[samcrater-amd]

Motivation

Adds a skill to rocprofiler-sdk telling AI agents how to use the basics of rocprof's PC sampling. Skills we make live in our repository and will automatically be pulled into the central amd/skills repository once registered with there.

Issue Tracking

There is no JIRA ticket for this task.

Testing

Manually pulled the skill into a local copy of amd/skills and ran the publish and check scripts; came back clean.

Submission Checklist

• Look over the contributing guidelines at https://github.com/ROCm/rocm-systems/blob/develop/CONTRIBUTING.md.

[therock-pr-bot]

❌ PR Check — Action Required

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[MythreyaK]

Looks good to me, but

• skills here could be mistaken (by humans and agents) for "skill to use when developing / working on rocprofiler-sdk/rocprofv3", not with them
• might be worth adding to perfexpert as well
• we should probably check with repo owners as an additional review to see if we can add them here for now

[ApoKalipse-V]

@vlaantic Should we recommend the maximum interval here?