Add a challenge

What to prepare

A learning goal, starter code, a local checker and clear assessment criteria.
Sources and licences for text and code; permission for adapted material.
A report.json up to 512 KB: check results without source code, full logs or personal data.

Package structure

challenge.yaml
README.md
src/
tb/
checks/
generated/report.schema.json

In challenge.yaml, set the title, difficulty, tools, run commands, scoring and licences. Verify the score total and package checksum.