Create preprocessor_config.json

Rescale by default 1/255 and resize to 224x224

preprocessor_config.json

@@ -0,0 +1,10 @@
+{
+  "do_normalize": false,
+  "do_rescale": true,
+  "do_resize": true,
+  "image_processor_type": "ConvNextFeatureExtractor",
+  "size": {
+    "height": 224,
+    "width": 224
+  }
+}