Add dataset card

README.md

@@ -9,6 +9,33 @@ task_categories:
 - text-classification
 task_ids:
 - Topic classification
+dataset_info:
+  features:
+  - name: text
+    dtype: string
+  - name: label
+    dtype: int64
+  splits:
+  - name: train
+    num_bytes: 466788625
+    num_examples: 25000
+  - name: validation
+    num_bytes: 95315107
+    num_examples: 5000
+  - name: test
+    num_bytes: 38487994
+    num_examples: 2048
+  download_size: 249805146
+  dataset_size: 600591726
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+  - split: validation
+    path: data/validation-*
+  - split: test
+    path: data/test-*
 tags:
 - mteb
 - text