Add human readable labels

This allows the model to output meaningful labels in inference services like [text-embeddings-inference](https://github.com/huggingface/text-embeddings-inference).

config.json

@@ -11,16 +11,16 @@
   "hidden_dropout_prob": 0.1,
   "hidden_size": 768,
   "id2label": {
-    "0": "LABEL_0",
-    "1": "LABEL_1",
-    "2": "LABEL_2"
+    "0": "strong",
+    "1": "tie",
+    "2": "weak"
   },
   "initializer_range": 0.02,
   "intermediate_size": 3072,
   "label2id": {
-    "LABEL_0": 0,
-    "LABEL_1": 1,
-    "LABEL_2": 2
+    "strong": 0,
+    "tie": 1,
+    "weak": 2
   },
   "layer_norm_eps": 1e-05,
   "max_position_embeddings": 514,