added websocket smol server

index.js

@@ -0,0 +1,19 @@
+const uptime = document.querySelector('#time')
+const ws = new WebSocket('ws://172.16.17.21:8080');
+ws.onopen = () => {
+    ws.send('Hello Server!');
+}
+
+ws.onmessage = (e) => {
+    console.log('Received:', e.data);
+    var jsondata = JSON.parse(e.data);
+    if (jsondata.uptime.hour === '0' && jsondata.uptime.minute === '0') {
+        uptime.innerHTML = jsondata.uptime.second + "s "
+        return
+    }
+    if (jsondata.uptime.hour === '0') {
+        uptime.innerHTML = jsondata.uptime.minute + "m " + jsondata.uptime.second + "s "
+        return
+    }
+    uptime.innerHTML = jsondata.uptime.hour + "h " + jsondata.uptime.minute + "m " + jsondata.uptime.second + "s "
+}