Examine source code of Zen Website Usage Tracker

{
  "manifest_version": 3,
  "name": "Zen Website Usage Tracker",
  "version": "1.1",
  "description": "Tracks daily website usage and helps manage digital well-being.",
  "browser_specific_settings": {
    "gecko": {
      "id": "zen-website-tracker@bhikules",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "idle",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "dashboard.html",
    "default_icon": "icons/icon48.png"
  },
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; img-src 'self' data:;"
  }
}