#23 Change project title to '✨ Kirari'

Updated the project title to include an emoji.

What and why

Closes #

Checklist

• bun run check passes
• Tests cover the change
• Changeset added (bunx changeset), or not needed for docs, tests, or internal changes
• Docs updated if behavior or APIs changed

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Summary by cubic

Updates the project title in the README from Kirari to ✨ Kirari for a bit of visual flair.