Really Good Dice

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Really Good Dice",
  "version": "2",
  "manifest_version": 3,
  "description": "Ever wanted to roll a dice and couldn't find one? Now you have it with you all the time.",
  "permissions": [
    "storage",
    "alarms"
  ],
  "icons": {
    "16": "images/icon-16x16.png",
    "32": "images/icon-32x32.png",
    "48": "images/icon-48x48.png",
    "128": "images/icon-128x128.png"
  },
  "action": {
    "default_title": "Roll the Dice!",
    "default_icon": {
      "16": "images/icon-16x16.png",
      "32": "images/icon-32x32.png"
    }
  },
  "options_page": "options/options.html",
  "background": {
    "service_worker": "background.js"
  }
}