Examine source code of SimplifyQA Object Manager

{
  "manifest_version": 2,
  "name": "SimplifyQA Object Manager",
  "description": "Simplify Object Manager is a robust tool used to capture the web elements in order to get a list of its properties.",
  "version": "1.0.52",
  "homepage_url": "https://simplifyom.app",
  "icons": {
    "16": "assets/img/16.png",
    "48": "assets/img/48.png",
    "128": "assets/img/128.png"
  },
  "permissions": [
    "activeTab",
    "<all_urls>"
  ],
  "content_security_policy": "  script-src  'self' 'unsafe-eval' 'strict-dynamic' https://www.google.com/recaptcha/api2/ https://www.gstatic.com/recaptcha/ https://www.google.com/recaptcha/api.js; frame-src 'self' https://www.google.com/recaptcha/api2/  https://www.youtube.com/;  ",
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": "assets/img/128.png",
    "default_title": "Simplify Object Manager"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "match_about_blank": true,
      "all_frames": true,
      "run_at": "document_start",
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "assets/css/object.css"
      ],
      "js": [
        "objectManager2.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "assets/css/object.css"
  ],
  "offline_enabled": true
}