Docs(Overlay): Add default and playground story

[francinelucca]

Closes #5183

Changelog

New

• Default & Playground Overlay story

Changed

• Refactor default SB sorting to use same sorting as Components in Experimental, Deprecated and Private

Rollout strategy

• Patch release
• Minor release
• Major release; if selected, include a written rollout or migration plan
• None; if selected, include a brief description as to why

Testing & Reviewing

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Storybook)
• Changes are SSR compatible
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github (Learn more about how to run integration tests)

[github-actions]

👋 Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the integration workflow. Thanks!

[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	98.57 KB (0%)
packages/react/dist/browser.umd.js	98.87 KB (0%)

[changeset-bot]

⚠️ No Changeset found

Latest commit: 0cdbd08

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[francinelucca]

Documented the props here because something about this merge type messes with how storybook reads docs 🤷🏽‍♀️