add labels

config.json

@@ -8,10 +8,18 @@
   "gradient_checkpointing": false,
   "hidden_act": "gelu",
   "hidden_dropout_prob": 0.1,
+  "id2label": {
+    "0": "negative",
+    "1": "positive"
+  },
   "hidden_size": 768,
   "initializer_range": 0.02,
   "intermediate_size": 3072,
   "layer_norm_eps": 1e-12,
+  "label2id": {
+    "negative": 0,
+    "positive": 1
+  },
   "max_position_embeddings": 512,
   "model_type": "bert",
   "num_attention_heads": 12,
@@ -24,4 +32,4 @@
   "type_vocab_size": 2,
   "use_cache": true,
   "vocab_size": 30522
-}
+}