Examine source code of AutoJWT

{
  "name": "AutoJWT",
  "description": "Browser developer extension to automatically find, parse, and copy JWT authorization tokens",
  "version": "0.5.2",
  "manifest_version": 2,
  "permissions": [
    "clipboardWrite"
  ],
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "background.js"
    ]
  },
  "devtools_page": "devtools.html",
  "icons": {
    "16": "/images/get_started16.png",
    "32": "/images/get_started32.png",
    "48": "/images/get_started48.png",
    "128": "/images/get_started128.png"
  }
}