Added spacing to README for readability

README.md

@@ -210,8 +210,11 @@ The `train.csv` and `val.csv` files are to be used for training models for submi
 The `data/` folder contains the dataset in parquet format, where `train` prefix indicates it corresponds to the images and metadata in `train.csv`, while `validation` corresponds to `val.csv`. Similarly:
 
 `seen` -> `seen_domain.csv`
+
 `unseen` -> `unseen_domain.csv`
+
 `seen_challenge` -> `seen_domain_challenge.csv`
+
 `unseen_challenge` -> `unseen_domain_challenge.csv`
 
 These are rendered by the dataset viewer.