title: Calling cache.addAll() with hundreds of URLs?
body: <p>how to add all urls if 100's of urls are there,  there is another method to add url if lot of urls are there</p>
  <pre><code>this.addEventListener('install', function(event) {
    event.waitUntil(
      caches.open('v1').then(function(cache) {
        return cache.addAll([
          '/static/js/main.chunk.js',
                  '/static/js/0.chunk.js',
                  '/static/js/bundle.js',
                  '/static/css/main.chunk.css',
                  '/bootstrap.min.css',
                  '/index.html',
                  '/',
        ]);
      })
    );
  });
  </code></pre>