add pre processor config and update model config

config.json

@@ -1,3 +1,19 @@
 {
-    "model_type" : ""
+    "classes": [
+        "plane",
+        "baseball-diamond",
+        "bridge",
+        "ground-track-field",
+        "small-vehicle",
+        "large-vehicle",
+        "ship",
+        "tennis-court",
+        "basketball-court",
+        "storage-tank",
+        "soccer-ball-field",
+        "roundabout",
+        "harbor",
+        "swimming-pool",
+        "helicopter"
+  ]
 }

preprocessor_config.json

@@ -0,0 +1,7 @@
+{
+  "data_format": "channels_first",
+  "default_to_square": true,
+  "device": null,
+  "do_convert_rgb": true,
+  "return_tensors": true
+}