verison 0.0.1-1

From https://github.com/mqttjs/mqtt-elements

And https://www.hivemq.com/blog/mqtt-client-library-encyclopedia-mqttelements/
Demo at https://github.com/mqttjs/mqtt-elements/blob/master/demo/elements/demo-element.html
Github at https://github.com/mqttjs/mqtt-elements/blob/master/demo/elements/demo-element.html