chore: update domain from allons-y.llc to allons-y.studio

[castastrophe]

What

Update domain references from allons-y.llc to allons-y.studio.

Why

Studio rebrand — the .llc domain is being retired in favour of .studio.

How

Find-and-replace author URL in package.json and copyright footer in README.md.

Test plan

Verified no remaining allons-y.llc references in source files (excluding .git and node_modules).

Checklist

• My code follows the project's style and conventions.
• I have performed a self-review of my changes.
• I have added or updated tests where appropriate.
• I have updated documentation where appropriate.
• My changes generate no new warnings or accessibility regressions.
• I have read the Contributing Guide and Code of Conduct.

[changeset-bot]

⚠️ No Changeset found

Latest commit: d6665de

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