Examine source code of Specific Proxies

{
  "manifest_version": 2,
  "version": "1.0.0",
  "minimum_chrome_version": "91.1.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "johngalt13@DimaRomanov",
      "strict_min_version": "91.1.0"
    }
  },
  "default_locale": "en",
  "name": "Specific Proxies",
  "short_name": "SP",
  "description": "Specific Proxies with authentication for Selenium",
  "author": "Dima Romanov",
  "homepage_url": "https://github.com/johngalt13",
  "icons": {
    "16": "icons/icon.png",
    "48": "icons/icon.png",
    "128": "icons/icon.png"
  },
  "permissions": [
    "proxy",
    "storage",
    "cookies",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "background": {
    "scripts": [
      "content.js",
      "hcaptcha/background.js"
    ]
  }
}