Code steps highlighter

[moniika]

Category Plugin

Component

New component

Is your feature request related to a problem? Please describe.

Describe the solution you'd like

A code highlighter (visual feedback during code execution) that can be easily imported into a Blockly workspace that is compatible with js-interpreter.

Describe alternatives you've considered

Additional context

Step execution demo https://blockly-demo.appspot.com/static/demos/interpreter/step-execution.html