Examine source code of Crypto Prices

{
  "name": "Crypto Prices",
  "version": "4.1",
  "manifest_version": 3,
  "description": "Easily check crypto prices quickly and conveniently with a popup, search, 7 day graph, and useful links.",
  "homepage_url": "https://github.com/JohnLozier/CryptoPrices",
  "action": {
    "default_popup": "index.html"
  },
  "icons": {
    "16": "assets/icons/16.png",
    "64": "assets/icons/64.png",
    "128": "assets/icons/128.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{34f9bfcc-5586-4185-ac28-d9d7e4cd9048}"
    }
  }
}