Add list of tracks available at runtime

[bartwesselink]

Checklist

• [x] I've read and followed the Contribution Guidelines
• [x] step.yml and README.md is updated with the changes (if needed)

Version

Requires a minor version update

Context

List tracks available at runtime to allow for easier debugging.

Resolves: #128

Changes

• Add listTracks-function that lists the available tracks

Investigation details

Decisions

[ofalvai]

Looks good, thank you @bartwesselink for the contribution! 🚀