ref: 7ed22e9fb6a5b74c52ae6054b843b8c64e83f4b6
dir: /docs/config/_default/languages.toml/
[en]
contentDir = "content/en"
languageName = "English"
weight = 1
[zh]
contentDir = "content/zh"
languageName = "中文"
weight = 2