Layout

[joel5vega]

Pull Request description

Change to src layout

How to test these changes

• ...

Pull Request checklists

This PR is a:

• [X] maintenance

About this PR:

• [x] pre-commit hooks were executed locally.
• [ ] this PR requires a project documentation update.

Author's checklist:

• [x] I have reviewed the changes and it contains no misspelling.
• [ ] The code is well commented, especially in the parts that contain more complexity.
• [ ] New and old tests passed locally.

Additional information

Reviewer's checklist

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## Reviewer's Checklist

- [ ] I managed to reproduce the problem locally from the `main` branch
- [ ] I managed to test the new changes locally
- [ ] I confirm that the issues mentioned were fixed/resolved .

[xmnlab]

@joel5vega thanks for working on that. it seems you used as base for your PR a branch out-of-date, so you have a bunch of conflicting files could you rebase it on top of the upstream main please?

[xmnlab]

superseded by #95