Add visualisations for the new Scheme Implementation

[s-kybound]

Description

This PR adds a continuation representation as well as support for the enhanced CSE(T) machine that can now natively support scheme items.

Type of change

• [ ] Bug fix (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)
• [ ] This change requires a documentation update
• [ ] Code quality improvements

How to test

Checklist

• [ ] I have tested this code
• [ ] I have updated the documentation