Update config_sentence_transformers.json

config_sentence_transformers.json

@@ -4,6 +4,8 @@
       "transformers": "4.37.2",
       "pytorch": "2.0.1+cu121"
     },
-    "prompts": {},
+    "prompts": {
+      "query":"Query: "
+    },
     "default_prompt_name": null
   }