structopt 0.3.14

Parse command line argument by defining a struct.
Documentation
{
    "httpHeaders": [
        {
            "urls": [
                "https://",
                "http://"
            ],
            "headers": {
                "User-Agent": "broken links checker (https://github.com/TeXitoi/structopt)",
                "Accept": "text/html"
            }
        }
    ]
}