Update README.md

README.md

@@ -33,3 +33,12 @@ configs:
   - split: train
     path: data/train-*
 ---
+
+```
+DatasetDict({
+    train: Dataset({
+        features: ['PuzzleId', 'FEN', 'Moves', 'Rating', 'RatingDeviation', 'Popularity', 'NbPlays', 'Themes', 'GameUrl', 'OpeningTags'],
+        num_rows: 3764379
+    })
+})
+```