add dataset_info in dataset metadata

README.md

@@ -24,6 +24,31 @@ task_ids:
 paperswithcode_id: coqa
 tags:
 - conversational-qa
+dataset_info:
+  features:
+  - name: source
+    dtype: string
+  - name: story
+    dtype: string
+  - name: questions
+    sequence: string
+  - name: answers
+    sequence:
+    - name: input_text
+      dtype: string
+    - name: answer_start
+      dtype: int32
+    - name: answer_end
+      dtype: int32
+  splits:
+  - name: train
+    num_bytes: 17981459
+    num_examples: 7199
+  - name: validation
+    num_bytes: 1225518
+    num_examples: 500
+  download_size: 58092681
+  dataset_size: 19206977
 ---
 
 # Dataset Card for "coqa"