README.md

修改自：

• https://github.com/projectdiscovery
• https://github.com/projectdiscovery

增加了国内CDN IP判断，及大部分主流CDN 域名判断、主流云资产识别

方便修改 naabu cdn 模块

go get -u "github.com/eexp/cdncheck"
全局替换
github.com/projectdiscovery/cdncheck