Docs: Link code examples to GitHub

[hjgraca]

What were you searching in the docs?

Currently the code examples are inline in the documentation

Is this related to an existing documentation section?

No response

How can we improve?

Currently the code examples are inline in the documentation this should be removed and linked to code snippets in GitHub

Got a suggestion in mind?

No response

Acknowledgment

• [x] I understand the final update might be different from my proposed suggestion, or refused.

[leandrodamascena]

Hi @hjgraca, what do you think about splitting this issue into one issue per utility and adding instructions on how external contributors can contribute?

Please let me know if you need help with this.