[WIP] Lazy load modules using webpack 4

[samarpanda]

[WIP] lazy loading modules using webpack 4

const loadFooter = () => import('./footer')// Lazy loading footer configured
button1.addEventListener('click', (event) => {
	loadFooter('./footer')
		.then((fm) => {
			console.log(fm.footer)
			document.body.appendChild(fm.footer)
		})
})