ref: 4d53ae697e91b4d2c4c5cd5a5c3a26cb89a37a85
dir: /docs/config/_default/languages.toml/
[en]
contentDir = "content/en"
languageName = "English"
weight = 1
[zh]
contentDir = "content/zh"
languageName = "中文"
weight = 2