feat(sites): add saahild.com/retro

[NeonGamerBot-QK]

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

Cloudflare Report: https://radar.cloudflare.com/scan/ace94216-fa82-490c-8afc-0b6775e942d2/summary

[NeonGamerBot-QK]

@kevquirk

[NeonGamerBot-QK]

@garritfra any updates?

[garritfra]

Sorry, the backlog is getting quite long. Thanks for your patience. 🙂