Examine source code of Daily Darshan Reminder

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Daily Darshan Reminder",
  "version": "1.0.0",
  "description": "Gentle Krishna darshan & japa reminders, a daily Bhagavad Gita verse, and a calm devotional new tab. Private and ad-free.",
  "icons": {
    "16": "assets/icons/icon16.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "Daily Darshan Reminder",
    "default_icon": {
      "16": "assets/icons/icon16.png",
      "48": "assets/icons/icon48.png",
      "128": "assets/icons/icon128.png"
    }
  },
  "background": {
    "service_worker": "background/service-worker.js",
    "type": "module"
  },
  "chrome_url_overrides": {
    "newtab": "newtab/newtab.html"
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "offscreen"
  ],
  "host_permissions": [
    "https://live.dodopayments.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}