Align label mapping with cola config of glue dataset (#1)

- Align label mapping with cola config of glue dataset (ceb4bd12bc4dc3fbec0a2076de458bcdb23391f1)


Co-authored-by: Lewis Tunstall <lewtun@users.noreply.huggingface.co>

config.json

@@ -21,5 +21,13 @@
   "tie_weights_": true,
   "torch_dtype": "float32",
   "transformers_version": "4.20.1",
-  "vocab_size": 30522
-}
+  "vocab_size": 30522,
+  "label2id": {
+    "unacceptable": 0,
+    "acceptable": 1
+  },
+  "id2label": {
+    "0": "unacceptable",
+    "1": "acceptable"
+  }
+}