fix: import createRoot only from react-dom

Author: lorenzocorallo

src/index.tsx

@@ -3,7 +3,7 @@ import {
   createRouter,
   RouterProvider,
 } from "@tanstack/react-router"
-import ReactDOM from "react-dom/client"
+import { createRoot } from "react-dom/client"
 import { routeTree } from "./routeTree.gen"
 import "./index.css"
 
@@ -26,6 +26,6 @@ declare module "@tanstack/react-router" {
 const rootElement = document.getElementById("root")!
 
 if (!rootElement.innerHTML) {
-  const root = ReactDOM.createRoot(rootElement)
+  const root = createRoot(rootElement)
   root.render(<RouterProvider router={router} />)
 }