Rename adapter_config.json to config.json

adapter_config.json → config.json

@@ -36,5 +36,5 @@
   "trainable_token_indices": null,
   "use_dora": false,
   "use_rslora": false,
-  "model_type": "gemma"
+  "model_type": "gemma3_4b"
 }