feat: listbox

[Hugos68]

Linked Issue

Closes #3551

Description

Implements the Listbox component

Checklist

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[changeset-bot]

🦋 Changeset detected

Latest commit: 167c0e8

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 5 packages

Name	Type
@skeletonlabs/skeleton-svelte	Minor
@skeletonlabs/skeleton-react	Minor
@skeletonlabs/skeleton-common	Minor
skeleton	Minor
@skeletonlabs/skeleton	Minor

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Project	Deployment	Preview	Comments	Updated (UTC)
themes.skeleton.dev	Building	Preview	Comment	Oct 5, 2025 5:58pm
www.skeleton.dev	Ready	Preview	Comment	Oct 5, 2025 5:58pm