Fix `license` metadata (#1)

- Fix `license` metadata (5d6ec1d19cc6fae40dc3140d9e237f6ed0112841)


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

README.md

@@ -1,7 +1,7 @@
 ---
-languages:
+language:
 - si
-licenses:
+license:
 - mit
 ---