Add/features module

[circlecube]

Proposed changes

This adds the features module and updates the staging and performance module to integrate with the features module. Their initialization now uses the features setup according to the platform context.

Type of Change

• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Documentation Update (if none of the other choices apply)

Checklist

• [ ] I have read the CONTRIBUTING doc
• [ ] Linting and tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)

Further comments