moinologics/mqtt.js websocket example

## mqtt.js websocket example
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>mqtt</title>
	<script type="text/javascript" src="https://unpkg.com/mqtt/dist/mqtt.min.js"></script>
</head>
<body>
	<div>
		<input type="text" id="in"> <button onclick="send()">send</button>
		<ul id="msgs"></ul>
	</div>

</body>
</html>

<script type="text/javascript">

	function onConnect()
	{
		console.log('connection successfull')
	}

	async function onMessage(topic, msg)
	{
		let msgStr = msg.toString()
		msgs.innerHTML += `<li>${topic}: ${msgStr}</li>`
	}

	var client  = mqtt.connect('wss://linux.vm:7130')

	client.on('connect', onConnect)

	client.on('message', onMessage)

	client.subscribe('test/#') //can take function as second argument which recive error

	client.publish('test/ws', 'hello from browser')

	let msgs = document.getElementById('msgs')
	let input = document.getElementById('in')

	function send()
	{
		client.publish('test/ws', input.value)
		input.value = ''
	}

</script>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>mqtt</title>
	<script type="text/javascript" src="https://unpkg.com/mqtt/dist/mqtt.min.js"></script>
	</head>
	<body>
	<div>
	<input type="text" id="in"> <button onclick="send()">send</button>
	<ul id="msgs"></ul>
	</div>

	</body>
	</html>

	<script type="text/javascript">

	function onConnect()
	{
	console.log('connection successfull')
	}

	async function onMessage(topic, msg)
	{
	let msgStr = msg.toString()
	msgs.innerHTML += `<li>${topic}: ${msgStr}</li>`
	}

	var client = mqtt.connect('wss://linux.vm:7130')

	client.on('connect', onConnect)

	client.on('message', onMessage)

	client.subscribe('test/#') //can take function as second argument which recive error

	client.publish('test/ws', 'hello from browser')

	let msgs = document.getElementById('msgs')
	let input = document.getElementById('in')

	function send()
	{
	client.publish('test/ws', input.value)
	input.value = ''
	}

	</script>