Examine source code of ConsolePad

{
  "name": "ConsolePad",
  "version": "1.0.1",
  "manifest_version": 3,
  "description": "An extension to bring a simple notepad in your DevTools",
  "devtools_page": "devtools.html",
  "permissions": [
    "tabs"
  ],
  "author": "Amit Merchant",
  "icons": {
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "consolepad@amitmerchant.com"
    }
  }
}