[WIP] Add CODEOWNERS file for the repository

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

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This section details on the original issue you should resolve

<issue_title>Create a CODEOWNERS file for this repo</issue_title>
<issue_description>Create a CODEOWNERS file for this repo.

For folders under plugin/skills, add owner at folder level</issue_description>

Comments on the Issue (you are @copilot in this section)

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