Update links to use docs hub

[bitzoic]

Type of change

• Improvement (refactoring, restructuring repository, cleaning tech debt, ...)
• Documentation

Changes

The following changes have been made:

• Replaces all instances of links that point to a file with a link to the corresponding docs hub section

Notes

• Now that the Sway-Standards and Sway-Standards are included in the docs hub, all links should point to it.

Checklist

• I have linked to any relevant issues.
• I have commented my code, particularly in hard-to-understand areas.
• I have updated the documentation where relevant (API docs, the reference, and the Sway book).
  • If my change requires substantial documentation changes, I have requested support from the DevRel team
• I have added tests that prove my fix is effective or that my feature works.
• I have added (or requested a maintainer to add) the necessary Breaking* or New Feature labels where relevant.
• I have done my best to ensure that my PR adheres to the Fuel Labs Code Review Standards.
• I have requested a review from the relevant team or maintainers.