Dam koto?

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Dam koto?",
  "description": "This extension adds a price tag in native currency selected beside the current price tags of amazon's price tags.",
  "version": "3.1.2",
  "permissions": [
    "tabs",
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "19": "images/main_icon_19.png",
      "38": "images/main_icon_38.png"
    },
    "default_popup": "main_panel.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "images/main_icon_16.png",
    "48": "images/main_icon_48.png",
    "128": "images/main_icon_128.png"
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "https://www.amazon.com/*",
        "https://www.amazon.co.uk/*",
        "https://www.amazon.ca/*",
        "https://www.aliexpress.com/*",
        "https://www.alibaba.com/*"
      ],
      "js": [
        "jquery-3.1.0.min.js",
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "flags/*.png",
    "css/*.css",
    "fonts/*.woff2",
    "images/*.png"
  ]
}