Wsify connection tracking for utime

wsify-utime-track-disconnect.js

function wsifyTrackDisconnect(opts){
    url = opts.url || "wss://wsify-utime.uflare.io/subscribe"
    key = opts.key || (function(){
        throw new Error("You didn't specify the user key {key: ''}");
    })()
    ws = new WebSocket(url + "?key="+key)
    ws.onclose = function(){
        alert("Please note that any currently running task has been pused due to network interruption, please refresh the page when network connection resumed")
    }
    ws.onopen = function(){
        console.log("wsify-tracker has been connected")
    }
}