Examine source code of Taxfy

{
  "manifest_version": 2,
  "name": "Taxfy",
  "version": "1.1.2",
  "description": "Autofill captcha & enable disabled site options on the iTax website",
  "icons": {
    "48": "icons/logo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://itax.kra.go.ke/*"
      ],
      "js": [
        "src/tesseract.min.js",
        "src/taxfy.js"
      ],
      "css": [
        "src/style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{538954bf-0776-4591-b555-948a720cf9a2}"
    }
  }
}