Update README.md

This is a small **resnet18** pretrained model, fine-tuned for 5 epochs on 80% of the [AI or Not dataset](https://huggingface.co/datasets/competitions/aiornot) and evaluated on the remaining 20% of the training dataset.
It has an accuracy of 85% on the validation dataset.

README.md

@@ -3,5 +3,9 @@ tags:
 - image-classification
 - timm
 library_tag: timm
+datasets:
+- competitions/aiornot
+metrics:
+- accuracy
 ---
 # Model card for kgmann/ai-image-det-resnet18