chore: fix flaws in raw HTML links

[caugner]

Description

Fix flaws in raw HTML links, mainly applying redirects and using canonical URLs.

Motivation

Resolve flaws reported by rari.

Additional details

Related issues and pull requests

In the future, this will be fixed automatically via fix-flaws once mdn/rari#615 is ready and merged.

[github-actions]

Preview URLs (2 pages)

• /en-US/docs/Learn_web_development/Core/Structuring_content/General_embedding_technologies
• /en-US/docs/Web/HTML/Reference/Attributes

Flaws (34)

Note! 1 document with no flaws that don't need to be listed. 🎉

Found an unexpected or unresolvable flaw? Please report it here.

URL: /en-US/docs/Web/HTML/Reference/Attributes
Title: HTML attribute reference
Flaw count: 34

• broken_links:
  • Link /en-US/docs/Web/HTML/Reference/Attributes/alt doesn't resolve
  • Link /en-US/docs/Web/HTML/Reference/Attributes/autoplay doesn't resolve
  • Link /en-US/docs/Web/HTML/Reference/Attributes/cite doesn't resolve
  • Link /en-US/docs/Web/HTML/Reference/Attributes/colspan doesn't resolve
  • Link /en-US/docs/Web/HTML/Reference/Attributes/controls doesn't resolve
  • and 29 more flaws omitted

[Josh-Cena]

Thanks

My tool cannot catch these because they are already replaced by Rari so they are invisible in the build output.