Update config.json

Adding labels for zeroshot classification pipeline

config.json

@@ -9,6 +9,16 @@
   "intermediate_size": 3072,
   "layer_norm_eps": 1e-12,
   "max_position_embeddings": 512,
+  "id2label": {
+    "0": "entailment",
+    "1": "neutral",
+    "2": "contradiction"
+  },
+  "label2id": {
+    "contradiction": 2,
+    "entailment": 0,
+    "neutral": 1
+  },
   "model_type": "bert",
   "num_attention_heads": 12,
   "num_hidden_layers": 12,