Dev HarryAdney

Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/

Basic HTML Meta Tags

<meta name="keywords" content="your, tags"/>
<meta name="description" content="150 words"/>
<meta name="subject" content="your website's subject">
<meta name="copyright"content="company name">
<meta name="language" content="ES">

	// Core assets
	let coreAssets = [];

	// On install, cache core assets
	self.addEventListener('install', function (event) {

	// Cache core assets
	event.waitUntil(caches.open('app').then(function (cache) {
	for (let asset of coreAssets) {
	cache.add(new Request(asset));