Examine source code of Motivation

{
  "manifest_version": 3,
  "name": "Motivation",
  "version": "0.7.2025.12181",
  "description": "Transform your new tab page! Enter your birth date and see your live age calculation each time you open a new tab.",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "action": {
    "default_popup": "options.html"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{20be77a2-7ab4-4f3b-9611-96f05a926be0}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "offline_enabled": true,
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}