// 注册服务

PATH: /api/service
METHOD: POST
CONTENT-TYPE: application/json
REQUEST-BODY:
    {
        service: {
            name: String, // 服务名，不能与数据库中现有服务重名
            validationUrl, // 验证URL，爬虫服务需要在该URL被访问时采取正确的回应
        }
    }
SUCCESS-RESPONSE-BODY:
    {
        code:0,
    }
ERROR-RESPONSE-BODY:
    {
        code: errorCode,
        msg: errorMsg,
    }

title: {type: String, required: true, }
contentType: { type: String, } // link, full-text, dom, video, audio
content: { type: Mixed, },
tags: [{
    tagName: String,
    tagvalue: String ,
    score: Number, 
}]，
contentId: String,
source: {type: String, required: true}

PATH: 由注册服务接口规定
METHOD: GET
CONTENT-TYPE: application/json
SUCCESS-RESPONSE-BODY:
    {
        code:0,
        protocol: {
            version: String,
            name: 'FULL_NET_SPIDER_PROTOCOL',
            },
        config:{
            singleContent:{
                    url: String,
                    frequencyLimit: Number,
                },
            contentList:{
                    url: String,
                    pageSizeLimit: Number,
                    frequencyLimit: Number,
                },
        }
    }
ERROR-RESPONSE-BODY:
    {
        code: errorCode,
        msg: errorMsg,
    }

PATH: 由验证接口返回
METHOD: GET
CONTENT-TYPE: application/json
REQUEST-PARAMS:
{
    pageSize: Number,
    latestId: String,
}
SUCCESS-RESPONSE-BODY:
{
    code:0,
    data:{
        contentList:[],
    },
}