Deploy steps:
1. Download the HTML file — it will be named slug.html
2. Place it in your features/ folder in the Cloudflare Pages project
3. Copy the Index Entry snippet and add it to the top of the ARTICLES array in features/index.html
4. Copy the Sidebar Card Snippet and paste it into index.html sidebar to promote the new feature
5. Zip and deploy to Cloudflare Pages as usual