Delete legacy JSON metadata (#3)

Replace YAML keys from int to str (#1)

add dataset_info in dataset metadata

remove dummmy data

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

Eval metadata batch 3: Reddit, Rotten Tomatoes, SemEval 2010, Sentiment 140, SMS Spam, Snips, SQuAD, SQuAD v2, Timit ASR (#4337)

Update files from the datasets library (from 1.18.0)

Update files from the datasets library (from 1.8.0)

Update files from the datasets library (from 1.7.0)

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)