add dataset_info in dataset metadata

remove dummmy data

Align more metadata with other repo types (models,spaces) (#4607)

Make RedCaps streamable (again) (#3737)

Update files from the datasets library (from 1.16.0)

Update files from the datasets library (from 1.7.0)

Update files from the datasets library (from 1.6.1)

Update files from the datasets library (from 1.6.0)

Update files from the datasets library (from 1.3.0)

Update files from the datasets library (from 1.2.0)