👌 Tracker: Improvements to `archive` commands

[mbercx]

Wrong path: improve error message

(mc3d-relax) aiida@thanos:~/project/mc3d-relax/pipeline$ verdi archive import /home/aiida/project/mc3d-source/data/archive
Report: starting import: /home/aiida/project/mc3d-source/data/archive
Critical: an exception occurred while trying to import the archive /home/aiida/project/mc3d-source/data/archive: CorruptStorage: Could not find metadata file