fix js ping

raspberry/roberto/views/frontend/templates/index.html

@@ -229,7 +229,11 @@ setInterval(function(){
     if (socket.connected) {
         socket.emit('ping_message', { "type": "ping" });
     }
-}, 5000);
+}, 10000);
+
+socket.on('ping_message', (data) => {
+  console.log('ping received: ',data);
+});
 
     </script>