update sites.yml

[JacobJanzen]

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: jjanzen.ca
  url: https://jjanzen.ca/
  size: 17.31
  last_checked: 2024-03-17

Cloudflare Report: https://radar.cloudflare.com/scan/1615ef53-ad20-41e6-bb0f-2fed17accd02/summary

[garritfra]

Sorry, I have to categorize this as ultra minimal, as defined by our FAQ. Thanks anyway!