Update, correct, and expand documentation

[In-Veritas]

Summary of Changes

This pull request includes the following updates and improvements:

Documentation Updates

• Guide.md and Features.md:

  • Updated and clarified information to ensure accuracy and better readability.
  • Expanded sections that were previously incomplete or unclear.
  • Added new examples to better illustrate key concepts.

• Docs Folder:

  • Reviewed and revised most files in the docs folder for consistency and clarity.
  • Addressed gaps in explanations and improved structure for easier navigation.

Code Examples

• Corrected example code snippets that previously failed to execute correctly.
• Verified and tested all examples to ensure they work as intended.

Inline Comments

• Added inline comments when describing built-in functions.
  • These comments provide detailed explanations of the purpose and usage of each function.

Type Declarations

• Declared types for every function in the documentation.

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Additional Notes

These changes aim to make the documentation more comprehensive, easier to understand, and practical for both new and experienced users. Feedback and suggestions for further improvements are welcome

[nicolas-abril]

Looks like a new clippy version is breaking the checks, can you apply the suggested changes? (replace map_or(false, ...) for is_some_and(...))

[nicolas-abril]

Looks good, thank you