Examine source code of VKCaptcha

{
  "manifest_version": 2,
  "name": "VKCaptchaBreaker",
  "description": "Firefox WebExtension which utilizes trained AI models to predict captcha from image and automatically enters it.",
  "author": "Defasium (https://github.com/Defasium)",
  "version": "1.6.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "vkcaptchabreaker@foool.com",
      "strict_min_version": "55.0"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "*://api.vk.com/*",
    "*://vk.com/*",
    "*://m.vk.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://vk.com/*",
        "*://m.vk.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48_1.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": "icon48_0.png"
  }
}