Yupoo Yuan Converter

manifest.json

{
  "name": "Yupoo Yuan Converter",
  "version": "1.0",
  "manifest_version": 3,
  "description": "Converts Yuan to the desired currency on the Yupoo site.",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.yupoo.com/*",
        "http://*.yupoo.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "popup.css"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}