Update dataset_config.yaml

dataset_config.yaml

@@ -1,15 +1,15 @@
 configs:
   - config_name: datasets
     data_files:
-      - file: "datasets/wireless_datasets.csv"
-        split: train
+      train:
+        - "datasets/wireless_datasets.csv"
 
   - config_name: papers
     data_files:
-      - file: "papers/wireless_papers.csv"
-        split: train
+      train:
+        - "papers/wireless_papers.csv"
 
   - config_name: bibtex
     data_files:
-      - file: "bibtex/bibtex.csv"
-        split: train
+      train:
+        - "bibtex/bibtex.csv"