Fix `license` metadata (#1)

- Fix `license` metadata (33387550bbdfd111e3347f4e737d1f33c2011212)


Co-authored-by: Julien Chaumond <julien-c@users.noreply.huggingface.co>

README.md

@@ -1,6 +1,6 @@
 ---
 kaggle_id: deepcontractor/monkeypox-dataset-daily-updated
-licenses:
+license:
 - cc0-1.0
 ---