add dataset_info in dataset metadata

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

Refactor column mappings for question answering datasets (#4391)

Remove config names as yaml keys (#4367)

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

Remove a copy-paste sentence in dataset cards (#4281)

Update files from the datasets library (from 1.10.0)

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 1.4.0)

Update files from the datasets library (from 1.3.0)