Correct usage terms: declare CC BY 4.0 (inherited from permissive upstream source)

reset initial metadata (preprocess)

Correct usage terms: inherit CC BY 4.0 from upstream source (permissive, commercial use permitted)

reset initial metadata (preprocess)

Set license to cc-by-4.0 based on upstream source

reset initial metadata (preprocess)

Put README.md

Put catalog.json

initial commit