Replace Tailwind Play CDN in static example with production-safe CSS (merges into #8)

[cubic-dev-ai]

🤖 PR by cubic

This PR addresses the comment in #8 – Add wb-data-scrumb.js from Engine branch

File: examples/src/static/index.html
Line: 11
Comment:

P2: Tailwind's Play CDN (cdn.tailwindcss.com) is intended for development/prototyping only, not production use. Since this file is deployed to playcanvas.github.io, consider either:

1. Using a proper Tailwind build process with PostCSS
2. Using pre-built Tailwind CSS from a CDN like https://cdn.jsdelivr.net/npm/tailwindcss@latest/dist/tailwind.min.css
3. Writing plain CSS for this small widget

This fix was automatically generated. Please review the changes carefully before merging.

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Summary by cubic

Replaced Tailwind Play CDN in the static example with local, production-safe CSS for the World Clocks widget. Addresses the review comment in #8 and removes the dev-only dependency.

• Refactors
  • index.html: removed cdn.tailwindcss.com and Tailwind utility classes; added semantic classes.
  • styles.css: added scoped styles for #world-clocks and its children (layout, colors, typography, hover).
  • Preserves the same UI while avoiding runtime Tailwind and extra network calls.

^{Written for commit 6fb1b51. Summary will update automatically on new commits.}

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