Investigate the issues pointed out in @XiangRongLin's [comment here](https://github.com/danburzo/percollate/pull/139#issue-1237441545) related to naive usage of URLs / file paths in some areas. We should be using [`URL.fileURLtoPath()`](https://nodejs.org/api/url.html#urlfileurltopathurl).
Investigate the issues pointed out in @XiangRongLin's comment here related to naive usage of URLs / file paths in some areas. We should be using
URL.fileURLtoPath().