bugfix: allow unstyled file buttons

[ak4zh]

Linked Issue

Closes #1876

Description

• Moved .btn class to button prop so it can be customised to render a buton without hardcoded styles.

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🦋 Changeset detected

Latest commit: e8bcc6c

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

This PR includes changesets to release 1 package

Name	Type
@skeletonlabs/skeleton	Patch

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Name	Status	Preview	Updated (UTC)
skeleton-docs	✅ Ready (Inspect)	Visit Preview	Aug 22, 2023 4:07pm

[ak4zh]

I adjusted the default value of width to w-full so that the buttons within button groups would display properly. However, it seems appropriate to restore the original setting and advise that when utilized with button groups, the width should be explicitly set to w-full.

[endigo9740]

@ak4zh thanks for the PR. Just FYI we do not document changeset changes for /site projects, only those in /packages. So in this case no changeset reference was needed for the documentation site. Likewise make sure you prefix the change with chore: or similar. I've implemented a quick fix this for this.