Examine source code of smartauth.io

{
  "description": "Track credential usage across your organization.",
  "version": "0.0.3",
  "content_security_policy": "script-src 'self' ; object-src 'self'",
  "name": "smartauth.io",
  "manifest_version": 2,
  "homepage_url": "https://smartauth.io",
  "permissions": [
    "webRequest",
    "tabs",
    "storage",
    "cookies",
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "browser_action": {
    "default_icon": "icon-16.png",
    "default_title": "smartauth",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "client.bundle.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "logo.png",
    "frames/*.html"
  ],
  "background": {
    "scripts": [
      "background.bundle.js"
    ],
    "persistent": true
  }
}