feat: title and menu at layout

src/routes/+layout.svelte

@@ -1,7 +1,9 @@
 <script>
 	import '../app.css';
+	import Menu from '$lib/components/Menu.svelte';
 </script>
 
-<div class="text-black dark:text-white">
+<div class="text-black dark:text-white flex flex-col">
+	<Menu />
 	<slot />
 </div>

src/routes/+page.svelte

@@ -9,6 +9,10 @@
 	}
 </script>
 
+<svelte:head>
+	<title>AnoPaper main page</title>
+</svelte:head>
+
 <h1 class="text-3xl font-bold underline">AnoPaper!</h1>
 
 <Button onClick={handleClick} href="#">{text}</Button>