Declared iaa_A and iaa_B as valid splits in dataset_card.yaml

dataset_card.yaml

@@ -10,4 +10,21 @@ task_categories:
 task_ids:
   - named-entity-recognition
 multilinguality: monolingual
----
+data_files:
+  train: train.parquet
+  validation: validation.parquet
+  test: test.parquet
+  iaa_A: iaa_A.parquet
+  iaa_B: iaa_B.parquet
+splits:
+  - name: train
+    num_examples: 19532
+  - name: validation
+    num_examples: 1931
+  - name: test
+    num_examples: 1959
+  - name: iaa_A
+    num_examples: 5806
+  - name: iaa_B
+    num_examples: 5806
+---