docs: add live CDN import snippet demo

[Muskankr]

Pull Request Description

This PR fixes Issue #36514 by adding a live Import CDN snippet demo.
It shows how to use EaseMotion CSS directly from jsDelivr without cloning or installing.

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Type of Change

• 📝 Documentation improvement

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Submission Checklist

• All changes are inside submissions/docs/import-cdn-snippet/
• Includes demo.html
• Includes style.css
• Includes README.md
• No changes to core/ or components/

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Feature Description

What does this add?
A demo showing how to import EaseMotion CSS via CDN.

How does a developer use it?

<link
  rel="stylesheet"
  href="https://cdn.jsdelivr.net/gh/SAPTARSHI-coder/EaseMotion-css@main/easemotion.min.css"
/>


Thanks for reviewing my PR!

[SAPTARSHI-coder]

✅ Submission Validation Passed!

Great job! All required files are present and valid.

📁 Folder: submissions/docs/import-cdn-snippet

Files found:

• ✅ demo.html
• ✅ style.css
• ✅ README.md

🚀 Next Steps:

• A maintainer will review your PR
• Respond to any feedback if requested
• Once approved, your contribution will be merged!

Thank you for contributing to EaseMotion CSS! 🎉

[github-actions]

🎉 Congratulations on your PR merge, @Muskankr! 🚀

Thank you so much for your valuable contribution to EaseMotion CSS! Your code is now merged into the main branch.

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[github-actions]

🎉 Pull Request Integrated!

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🎮 Join our Discord Server!
We have an official Discord server for EaseMotion CSS! Join us to connect with other developers, seek help, discuss design choices, and share your creations in the showcase channel: Join the EaseMotion CSS Discord 💜