Examine source code of Sorol Calculator

{
  "manifest_version": 3,
  "name": "Love Calculator",
  "version": "2.1",
  "description": "Smart calculator with History, Dark Mode, and Percentage support.",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "lovecalculator@lavluworld.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}