Examine source code of 2Captcha Auto Solver

{
  "manifest_version": 2,
  "name": "2Captcha Auto Solver",
  "version": "1.0",
  "description": "Automatically solves Google reCAPTCHA using 2Captcha service.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": "icons/icon48.png"
  },
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "2captcha-auto-solver@example.com",
      "strict_min_version": "109.0"
    }
  }
}