Adding Cloudflare to Demos section #6

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@ -462,5 +462,4 @@ S,h,e,e,t,J,S
[^6]: See [`sheet_to_csv` in "CSV and Text"](/docs/api/utilities/csv#delimiter-separated-output)
[^7]: Registering for a free account [on the Cloudflare Free Tier](https://dash.cloudflare.com/sign-up).
[^8]: The `@aws-sdk/client-s3` module is distributed [on the public NPM registry](https://www.npmjs.com/package/@aws-sdk/client-s3)
[^9]: See [`write` in "Writing Files"](/docs/api/write-options)
[^14]: Registering for a free account [on the Cloudflare Free Tier](https://Cloudflare.amazon.com/free/) requires a valid phone number and a valid credit card.
[^9]: See [`write` in "Writing Files"](/docs/api/write-options)