Examine source code of auto-amazon

{
  "name": "auto-amazon",
  "description": "auto amazon",
  "version": "2.10.1",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "/sw.js"
    ]
  },
  "permissions": [
    "<all_urls>",
    "storage",
    "activeTab",
    "nativeMessaging",
    "tabs"
  ],
  "browser_action": {
    "default_popup": "/popup.html",
    "default_icon": "/assets/logo.png",
    "default_title": "aa"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*"
      ],
      "js": [
        "/content.js"
      ]
    }
  ],
  "icons": {
    "16": "/assets/logo.png",
    "32": "/assets/logo.png",
    "48": "/assets/logo.png",
    "96": "/assets/logo.png",
    "128": "/assets/logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{308674bd-78ee-4a7c-9412-2bb6509aaa65}"
    }
  }
}