* feat: slugify slug to handle capitals and spaces
* docs: add not on Slugger issues
* deps: bump to github-slugger 2.0
* refactor: new Slugger() -> slug util
* fix: stop using URL.pathname
* fix: `file://` prefix on isContentFlagImport
* test: spaces in fixture file name
* chore: add `test:unit:match`
* refactor: handle collection errors from getEntryInfo
* test: unit getEntryInfo
* chore: changeset
* chore: markdown-remark out of date
* fix: correctly strip index on windows
* fix: move to utils, fix slug regex
* refactor: intermediate var
* lint: `path` variable shadowing
* chore: add not on allowFilesOutsideCollection
