Examine source code of UUID

{
  "manifest_version": 2,
  "name": "UUID",
  "version": "1.0",
  "description": "Generate a uuid without dash and copy to clipboard",
  "icons": {
    "48": "icons/uuid-48.png",
    "96": "icons/uuid-96.png"
  },
  "permissions": [
    "clipboardWrite"
  ],
  "browser_action": {
    "default_icon": "icons/uuid-32.png",
    "default_title": "gen&copy"
  },
  "background": {
    "scripts": [
      "uuid.js"
    ]
  }
}