Examine source code of Copy as HTML

{
  "manifest_version": 3,
  "name": "Copy URL as HTML",
  "description": "Copy the current page title and URL as an HTML link with one click.",
  "version": "1.0.1",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    },
    "default_title": "Copy current page as an HTML link"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "activeTab",
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{15d9546e-27e6-4f10-b26f-5eebb09ee11b}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}