Fix "YAML Metadata Error" by separating language and language_bcp47 (#1)

- Fix "YAML Metadata Error" by separating language and language_bcp47 (087ca9fe0534171df629d8e50b6207e5a2da883c)


Co-authored-by: Aaron Lei <aaronsl@users.noreply.huggingface.co>

README.md

@@ -1,7 +1,8 @@
 ---
 language: 
-- zh-HK
 - yue
+language_bcp47:
+- zh-HK
 datasets:
 - common_voice 
 metrics: