Update Sway Book and ownership example to use ownership library and src-5 standard

[bitzoic]

Description

The Sway Book's ownership example and documentation is outdated and does not include the ownership library. It now links to the SRC-5 Ownership standard, ownership library, and includes additional examples.

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).
• 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.