Document josebalius ownership in README

[Claude]

Issue: README did not mention josebalius despite the repo being his playground, so the ownership signal was missing.

• Docs: Clarified the short description to state the repo is maintained by josebalius.

Jose's playground repo, maintained by josebalius

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add josebalius to the readme</issue_title>
<issue_description></issue_description>

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

• Fixes Add josebalius to the readme #4

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