Upload imagenet_ci8x8_val_metadata.json with huggingface_hub

imagenet_ci8x8_val_metadata.json

@@ -0,0 +1,7 @@
+{
+  "total_samples": "50000",
+  "data_shape": "[50000, 16, 32, 32]",
+  "labels_shape": "[50000]",
+  "tokenizer_type": "continuous",
+  "is_validation": "True"
+}