Examine source code of Amazon Keyword Tool PR

{
  "manifest_version": 2,
  "name": "Amazon Keyword Tool for free : SellerApp",
  "version": "2.4.8",
  "description": "Generate tons of Amazon suggest keywords in ONE click for free! Amazon keyword tool trusted by Power Amazon sellers worldwide.",
  "background": {
    "scripts": [
      "src/pages/background/index.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://completion.amazon.com/",
    "https://completion.amazon.cn/",
    "https://completion.amazon.co.uk/",
    "https://completion.amazon.co.jp/",
    "*://*.amazon.com/*",
    "*://*.amazon.ca/*",
    "*://*.amazon.com.mx/*",
    "*://*.amazon.com.br/*",
    "*://*.amazon.co.uk/*",
    "*://*.amazon.de/*",
    "*://*.amazon.fr/*",
    "*://*.amazon.it/*",
    "*://*.amazon.es/*",
    "*://*.amazon.nl/*",
    "*://*.amazon.se/*",
    "*://*.amazon.pl/*",
    "*://*.amazon.com.be/*",
    "*://*.amazon.ie/*",
    "*://*.amazon.com.tr/*",
    "*://*.amazon.eg/*",
    "*://*.amazon.ae/*",
    "*://*.amazon.sa/*",
    "*://*.amazon.in/*",
    "*://*.amazon.co.jp/*",
    "*://*.amazon.com.au/*",
    "*://*.amazon.sg/*",
    "*://*.amazon.co.za/*",
    "https://2.rome.api.flipkart.com/",
    "https://*/sellercentral.amazon.*/"
  ],
  "browser_action": {
    "default_title": "Amazon keyword tool",
    "default_icon": "icon-34.png"
  },
  "icons": {
    "128": "icon-128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArkWlO/qI/XSeVdpWMV2kvMqk+2Wb3UBaSk7GWYjQQuXJx+rychWzYf+Lz8l7vII/qlbVRnw8gA4w/yYRXtXA/upBZiOkJHk8VQT43bKaI3CQhuu0lmE6THdCw6aE30NjSl+C8GeLHTrv7eiD76qcqijnvmJmWtlaFMrfnf2oFRa7A6dd6vY8X4QsgCGfgh+2vhWje8488romR487zuhQvY36pHX7P24YVLSZJeJoo851vOiOXSydVeGeJhfemmy0bkpbz+a4O6A4I7TSMVw7P8hiVOXdwXV33d1T8H4OASeZdjkFeedhwejeN4C5zSbjCJ1mUmGNahcNCg9S3o+CcwIDAQAB",
  "externally_connectable": {
    "ids": [
      "lofbbfcpljahnhgncgommcbkckdbjdof",
      "bkdkbhjcfhfkmkbffkdklaiepfbllbgg",
      "icghibfdnckphcciaddomipiocdakphe",
      "khapobkkeheiefaoefgfkamiddljmcga"
    ],
    "matches": [
      "https://dashboard.sellerapp.com/",
      "http://dashboard.sellerapp.com/"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.amazon.ca/*",
        "*://*.amazon.com.mx/*",
        "*://*.amazon.com.br/*",
        "*://*.amazon.co.uk/*",
        "*://*.amazon.de/*",
        "*://*.amazon.fr/*",
        "*://*.amazon.it/*",
        "*://*.amazon.es/*",
        "*://*.amazon.nl/*",
        "*://*.amazon.se/*",
        "*://*.amazon.pl/*",
        "*://*.amazon.com.be/*",
        "*://*.amazon.ie/*",
        "*://*.amazon.com.tr/*",
        "*://*.amazon.eg/*",
        "*://*.amazon.ae/*",
        "*://*.amazon.sa/*",
        "*://*.amazon.in/*",
        "*://*.amazon.co.jp/*",
        "*://*.amazon.com.au/*",
        "*://*.amazon.sg/*",
        "*://*.amazon.co.za/*",
        "https://*/sellercentral.amazon.*/"
      ],
      "js": [
        "src/pages/content/index.js"
      ],
      "css": [
        "assets/css/contentStyle.chunk.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "assets/js/*.js",
    "assets/css/*.css",
    "icon-128.png",
    "icon-34.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{605e643d-d6e3-4bfb-a916-72ce525f7257}"
    }
  }
}