Add license and metadata for name and version in skills

[kvenkatrajan]

Add license and metadata for name and version in skills
Specification can be found at:
https://agentskills.io/specification#frontmatter-required

[github-actions]

Thanks for opening this issue, @kvenkatrajan! 🙌

This has been labeled as an enhancement since it requests adding new frontmatter fields (license, name, version) to skills per the [agentskills.io specification]((agentskills.io/redacted), and the skills label reflects that it touches the skill definitions in this repo. Since this is a well-scoped coding task, assign-to-copilot has also been applied so a coding agent will look into implementing the changes.

Generated by Issue Triage for issue #1021