Add placeholder comment for follow-up PR

[unclehowell]

Summary

• add a harmless placeholder comment near the top of static/datro/index.html to mark the follow-up iteration

Testing

• not run (not requested)

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Codex Task

[github-actions]

Cloudflare Pages Deployment

Event Name: pull_request
Environment: preview
Project: datro-homepage
Built with commit: fceab5d
Preview URL: https://775ef980.datro-homepage.pages.dev
Branch Preview URL: https://codex-add-slider-with-dropdo-q9es.datro-homepage.pages.dev

Wrangler Output

⛅️ wrangler 4.47.0
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Uploading... (732/734)
Uploading... (733/734)
Uploading... (734/734)
✨ Success! Uploaded 2 files (732 already uploaded) (1.53 sec)

🌎 Deploying...
✨ Deployment complete! Take a peek over at https://775ef980.datro-homepage.pages.dev
✨ Deployment alias URL: https://codex-add-slider-with-dropdo-q9es.datro-homepage.pages.dev