Crypto Alert

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Crypto Alert",
  "version": "3.3.2",
  "description": "Show Cryptocurrencies prices and set alarms while you are surfing the web ...",
  "action": {
    "default_popup": "html/popup.html",
    "default_icon": {
      "16": "images/icon5.png",
      "32": "images/icon5.png",
      "48": "images/icon5.png",
      "128": "images/icon5.png"
    }
  },
  "background": {
    "service_worker": "js/webWorkers.js"
  },
  "options_page": "html/options2.html",
  "externally_connectable": {
    "matches": [
      "https://polar-forest-22938.herokuapp.com/charge"
    ]
  },
  "icons": {
    "16": "images/icon5.png",
    "32": "images/icon5.png",
    "48": "images/icon5.png",
    "128": "images/icon5.png"
  },
  "permissions": [
    "notifications",
    "alarms",
    "storage"
  ],
  "manifest_version": 3
}