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import type { ComponentChildren } from "preact";import { Footer } from "./Footer.tsx";import { Header } from "./Header.tsx";
type AppProps = {  children: ComponentChildren;};
export function App({ children }: AppProps) {  return (    <div class="flex flex-col min-h-screen">      <Header />      <main class="container mx-auto px-4 flex-1">        {children}      </main>      <Footer />    </div>  );}