3.0.1 (#29)

* fix: missed leftover at an article that does not have category

* fix: show element when navigating an article

The hidden article bug appears when navigating to an article after visiting an empty user document.

* chore: add logging

* reorder

* pref: garbage collection

* fix: show element when navigating frontend

The hidden article bug appears when navigating to NamuWiki frontend after visiting an empty user document.