create-bhvr/dist/templates/extras/client/src/routes/__root.js

Create a new bhvr project

import { createRootRoute, Outlet } from "@tanstack/react-router";
import { TanStackRouterDevtools } from "@tanstack/react-router-devtools";
export const Route = createRootRoute({
    component: () => (<>
			<Outlet />
			<TanStackRouterDevtools />
		</>),
});