Restructure Dev Spotlight file locations

[dbenCF]

Relocate the Developer Spotlight page and tutorials

[github-actions[bot]]

This PR changes current filenames or deletes current files. Make sure you have redirects set up to cover the following paths:

• [ ] /fundamentals/reference/developer-spotlight/
• [ ] /workers/tutorials/create-sitemap-from-sanity-cms/
• [ ] /workers-ai/tutorials/creating-a-recommendation-api/
• [ ] /workers/tutorials/custom-access-control-for-files-in-R2-using-D1-and-Workers/
• [ ] /workers/tutorials/handle-form-submission-with-astro-resend/

[cloudflare-pages[bot]]

Deploying cloudflare-docs with    Cloudflare Pages

Latest commit:	93d0675
Status:	✅  Deploy successful!
Preview URL:	https://0b3ea1af.cloudflare-docs-7ou.pages.dev
Branch Preview URL:	https://dev-spotlight-restructure.cloudflare-docs-7ou.pages.dev

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[github-actions[bot]]

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/developer-spotlight/tutorials/	https://dev-spotlight-restructure.cloudflare-docs-7ou.pages.dev/developer-spotlight/tutorials/
https://developers.cloudflare.com/developer-spotlight/	https://dev-spotlight-restructure.cloudflare-docs-7ou.pages.dev/developer-spotlight/
https://developers.cloudflare.com/developer-spotlight/tutorials/custom-access-control-for-files/	https://dev-spotlight-restructure.cloudflare-docs-7ou.pages.dev/developer-spotlight/tutorials/custom-access-control-for-files/
https://developers.cloudflare.com/developer-spotlight/tutorials/create-sitemap-from-sanity-cms/	https://dev-spotlight-restructure.cloudflare-docs-7ou.pages.dev/developer-spotlight/tutorials/create-sitemap-from-sanity-cms/
https://developers.cloudflare.com/developer-spotlight/tutorials/handle-form-submission-with-astro-resend/	https://dev-spotlight-restructure.cloudflare-docs-7ou.pages.dev/developer-spotlight/tutorials/handle-form-submission-with-astro-resend/
https://developers.cloudflare.com/developer-spotlight/tutorials/creating-a-recommendation-api/	https://dev-spotlight-restructure.cloudflare-docs-7ou.pages.dev/developer-spotlight/tutorials/creating-a-recommendation-api/