Examine source code of CaptainAMZ Amazon Product Review Tool

{
  "background": {
    "persistent": true,
    "scripts": [
      "js/jquery.min.js",
      "js/jquery.md5.js",
      "js/jsstore.worker.js",
      "js/jsstore.js",
      "js/purify.min.js",
      "js/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "images/icon32.png",
    "default_title": "CaptainAMZ Amazon Request Review Tool"
  },
  "description": "Amazon review request tool to track & manage product reviews, export reviews",
  "short_name": "CaptainAMZ",
  "homepage_url": "https://captainamz.com",
  "icons": {
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "externally_connectable": {
    "ids": [
      "mofejmdiddbfhcianbflmfeggoimkimi"
    ]
  },
  "manifest_version": 2,
  "version": "1.8.8",
  "name": "Amazon Review Request Tool CaptainAMZ",
  "optional_permissions": [
    "https://*.amazon.sg/*",
    "https://*.amazon.com/*",
    "https://*.amazon.co.uk/*",
    "https://*.amazon.in/*",
    "https://*.amazon.ca/*",
    "https://*.amazon.de/*",
    "https://*.amazon.co.jp/*",
    "https://*.amazon.fr/*",
    "https://*.amazon.es/*",
    "https://*.amazon.it/*",
    "https://*.amazon.ae/*",
    "https://*.amazon.com.br/*",
    "https://*.amazon.com.mx/*",
    "https://*.amazon.com.tr/*",
    "https://*.amazon.com.au/*"
  ],
  "web_accessible_resources": [
    "images/*",
    "js/*",
    "css/*"
  ],
  "permissions": [
    "tabs",
    "storage",
    "https://captainamz.com/*"
  ]
}