Show GeForce Now on Steam

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Show GeForce Now on Steam",
  "description": "Shows if you can play games in GeForce Now while you are in steam website",
  "version": "1.8",
  "manifest_version": 3,
  "permissions": [],
  "content_scripts": [
    {
      "matches": [
        "https://store.steampowered.com/*"
      ],
      "css": [
        "extstyles.css"
      ],
      "js": [
        "data.js",
        "contentScript.js"
      ]
    }
  ],
  "action": {
    "default_title": "Show GeForce Now on Steam",
    "default_icon": {
      "16": "/images/icon16.png",
      "32": "/images/icon32.png",
      "48": "/images/icon48.png",
      "128": "/images/icon128.png"
    }
  },
  "icons": {
    "16": "/images/icon16.png",
    "32": "/images/icon32.png",
    "48": "/images/icon48.png",
    "128": "/images/icon128.png"
  }
}