ref: b5f39d23b86f9cb83c51da9fe4abb4c19c01c3b7
dir: /docs/config/_default/languages.toml/
[en]
contentDir = "content/en"
languageName = "English"
weight = 1
[zh]
contentDir = "content/zh"
languageName = "中文"
weight = 2