Examine source code of Selenium helper

{
  "manifest_version": 2,
  "version": "0.1.6",
  "minimum_chrome_version": "76.0",
  "applications": {
    "gecko": {
      "id": "eet1ra8cauDu@AlexandrSokolov"
    }
  },
  "default_locale": "en",
  "name": "__MSG_name__",
  "short_name": "__MSG_name__",
  "description": "__MSG_description__",
  "author": "Alexandr Sokolov",
  "homepage_url": "https://github.com/alexsok-bit/selenium_helper",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "proxy",
    "storage",
    "cookies",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "options_ui": {
    "page": "data/options.html"
  },
  "background": {
    "scripts": [
      "data/content.js",
      "data/hcaptcha/background.js"
    ]
  }
}