Update config.json

config.json

@@ -1,6 +1,17 @@
 {
   "model_type": "yolov8",
   "num_classes": 2,
-  "classes": ["digit", "icon"],
+  "classes": [
+    {
+      "id": 0,
+      "name": "digit",
+      "description": "A numeric character"
+    },
+    {
+      "id": 1,
+      "name": "icon",
+      "description": "A graphical symbol"
+    }
+  ],
   "input_size": [640, 640]
 }