feat: Add a new key in the root of the config file for services

[joel5vega]

Pull Request description

How to test these changes

sugar build --verbose --config-file tests/containers/.services.sugar.yaml

• ...

Pull Request checklists

This PR is a:

• bug-fix
• new feature
• maintenance

About this PR:

• it includes tests.
• the tests are executed on CI.
• the tests generate log file(s) (path).
• pre-commit hooks were executed locally.
• this PR requires a project documentation update.

Author's checklist:

• 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

Copy and paste this template for your review's note:

## 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 please rebase your branch on top of the upstream main.

now sugar.py was renamed to core.py

[joel5vega]

@xmnlab can you check if newest push solve the problem?

[xmnlab]

It still has merge conflicts

[xmnlab]

LGTM! thanks for working on that @joel5vega

[github-actions]

🎉 This PR is included in version 1.10.0 🎉

The release is available on:

• 1.10.0
• GitHub release

Your semantic-release bot 📦🚀