Update sites.yml

[LuKron55]

This PR is:

• [x ] 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

• [x ] I used the uncompressed size of the site
• [ x] I have included a link to the Cloudflare report
• [ x] This site is not an ultra minimal site
• [ x] 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.

• [ x] Check to confirm

- domain: lukron.xyz
  url: https://lukron.xyz
  size: 71.67kb
  last_checked: 2024-08-29

Cloudflare Report: https://radar.cloudflare.com/scan/bc3a9e9d-3b83-4a00-8eab-313b24b24743/summary

[garritfra]

Thanks!