For instance, [here](https://github.com/lewagon/data-engineering-solutions/pull/402), removing a file from challengifyignore should add it backt o challenges, but it's not happening. a clean `cha run .` from empty folder solves the problem
For instance, here, removing a file from challengifyignore should add it backt o challenges, but it's not happening.
a clean
cha run .from empty folder solves the problem