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

- Align label mapping with rte config of glue dataset (9d6724cf01aec73dd5ee9e2343f6f9df8c1faa91)


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

config.json

@@ -22,5 +22,13 @@
   "transformers_version": "4.21.2",
   "type_vocab_size": 2,
   "use_cache": true,
-  "vocab_size": 30522
-}
+  "vocab_size": 30522,
+  "label2id": {
+    "entailment": 0,
+    "not_entailment": 1
+  },
+  "id2label": {
+    "0": "entailment",
+    "1": "not_entailment"
+  }
+}