Custom Chrome Tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Custom Chrome Tab",
  "description": "Allows you to customize the chrome new tab!",
  "version": "0.1.3",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "tabs"
  ],
  "action": {
    "default_title": "Custom Chrome Tab",
    "default_popup": "/layout/popup.html",
    "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"
  },
  "chrome_url_overrides": {
    "newtab": "/layout/tab.html"
  }
}