Migrate `sci-m` to builtins as `sci-embodied`

[jmcook1186]

Types of changes

• [x] Enhancement (project structure, spelling, grammar, formatting)
• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.

A description of the changes proposed in the Pull Request

Migrates sci-m from if-plugins to builtins and rename to sci-embodied. Addresses https://github.com/Green-Software-Foundation/if/issues/683