Adding plugins about jekyll-pwa HOT 2 CLOSED

// my-service-worker.js

workbox.routing.registerRoute(
  new RegExp('/images/'),
  workbox.strategies.cacheFirst({
    cacheName: 'image-cache',
    plugins: [
      new workbox.expiration.Plugin({
        maxEntries: 20,
      }),
    ],
  })
);