Examine source code of TrueCaptcha

{
  "name": "True Captcha",
  "description": "Solve image captchas automatically in the browser.",
  "version": "0.3.7",
  "permissions": [
    "storage",
    "contextMenus",
    "https://api.apitruecaptcha.org/*",
    "https://api.truecaptcha.org/*",
    "http://localhost:3000/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@truecaptcha.org",
      "strict_min_version": "80.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/const.js",
        "lib/utils.js",
        "lib/storage.js",
        "lib/options.js",
        "lib/credentials.js",
        "lib/hello.js",
        "lib/getUniqueSelector.js",
        "lib/selector.js",
        "lib/clicker.js",
        "lib/image.js",
        "lib/solver.js",
        "content.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "data/hosts.json",
    "data/image.png",
    "popup.css",
    "options.css"
  ],
  "page_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/TrueCaptchaLogo16.png",
      "32": "/images/TrueCaptchaLogo32.png",
      "48": "/images/TrueCaptchaLogo48.png",
      "128": "/images/TrueCaptchaLogo128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "browser_action": {
    "default_icon": "/images/TrueCaptchaLogo32.png",
    "default_title": "TrueCaptcha",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "/images/TrueCaptchaLogo16.png",
    "32": "/images/TrueCaptchaLogo32.png",
    "48": "/images/TrueCaptchaLogo48.png",
    "128": "/images/TrueCaptchaLogo128.png"
  },
  "manifest_version": 2
}