nav/providers.json

{
    "providers" : [
        {"name":"Duck Duck Go","url":"https://duckduckgo.com/","prefix":"/d"},
        {"name":"Baidu","url":"https://www.baidu.com/","prefix":"/b"},
        {"name":"Baidu 开发者","url":"https://kaifa.baidu.com/","prefix":"/bk"},
        {"name":"Youtube","url":"https://www.youtube.com/","prefix":"/y"},
        {"name":"Google","url":"https://www.google.com/","prefix":"/g"},
        {"name":"Github","url":"https://github.com/","prefix":"/gh"},
        {"name":"StackOverflow","url":"https://stackoverflow.com/","prefix":"/s"}
    ]
}