add skyfall.dev

[SkyfallWasTaken]

This PR is:

• Adding a new domain
• Updating existing domain size
• Changing domain name
• Removing existing domain from list
• Website code changes (512kb.club site)
• Other not listed

• I used the exact uncompressed size of the site
• I have included a link to the Cloudflare report
• This site is not an ultra minimal site
• The following information is filled identical to the data file

I confirm that I have read the FAQ section, particularly the two red items around minimal pages and inappropriate content and I attest that this site is neither of these things.

• Check to confirm

- domain: skyfall.dev
  url: https://skyfall.dev/
  size: 418.82
  last_checked: 2025-02-23

Cloudflare Report:
https://radar.cloudflare.com/scan/69546ed1-5dc8-41b0-90a7-362a675b5d22/summary

[kevquirk]

Size is different on the Cloudflare page. Please correct it.

[SkyfallWasTaken]

Done!