docs: revisit examples to make sure they are properly styled

[RobPasMue]

Description

Following reviews in other PRs, I realized some examples were not properly following the guidelines.

Issue linked

None

Checklist

• [X] I have tested my changes locally.
• [X] I have added necessary documentation or updated existing documentation.
• [X] I have followed the coding style guidelines of this project.
• [X] I have added appropriate unit tests.
• [X] I have reviewed my changes before submitting this pull request.
• [X] I have linked the issue or issues that are solved to the PR if any.
• [X] I have assigned this PR to myself.
• [X] I have added the minimum version decorator to any new backend method implemented.
• [X] I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.65%. Comparing base (de6f822) to head (080c0e3). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1509 +/- ## ======================================= Coverage 91.65% 91.65% ======================================= Files 86 86 Lines 6986 6986 ======================================= Hits 6403 6403 Misses 583 583 ```

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