Rocket League Wallpaper HD New Tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Rocket League Wallpaper HD New Tab",
  "manifest_version": 3,
  "version": "5.0",
  "description": "Install Rocket League Wallpaper HD New Tab and change the look of your PC, Laptop. Customize Your Tab, Play Web Games etc.",
  "action": {
    "default_icon": {
      "16": "logo16.png",
      "32": "logo32.png"
    }
  },
  "icons": {
    "16": "logo16.png",
    "32": "logo32.png",
    "48": "logo48.png",
    "128": "logo128.png"
  },
  "host_permissions": [
    "http://admin.onlynewtab.com/*"
  ],
  "background": {
    "background.service_worker": "js/background.js"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  }
}