Examine source code of Devotion

{
  "manifest_version": 3,
  "author": "Soulhawke",
  "name": "Devotion",
  "description": "Delivering daily evangelical inspiration and motivation in New Tabs.",
  "version": "0.3.0",
  "icons": {
    "128": "/images/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "soulhawkes@gmail.com"
    }
  },
  "chrome_url_overrides": {
    "newtab": "new-tab.html"
  },
  "background": {
    "scripts": [
      "./scripts/worker.js"
    ]
  },
  "options_page": "options.html",
  "permissions": [
    "storage",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "*://*.rkeplin.com/*",
    "*://*.biblegateway.com/*",
    "*://*.bible.com/*",
    "*://*.unsplash.com/*",
    "*://*.pexels.com/*"
  ]
}