Migrate SvelteKit to the latest version 431 (#526)

web/src/routes/+page.svelte

@@ -0,0 +1,29 @@
+<script lang="ts">
+	import { goto } from '$app/navigation';
+	import type { PageData } from './$types';
+
+	export let data: PageData;
+
+	async function onGettingStartedClicked() {
+		data.isAdminUserExist ? await goto('/auth/login') : await goto('/auth/register');
+	}
+</script>
+
+<svelte:head>
+	<title>Welcome 🎉 - Immich</title>
+	<meta name="description" content="Immich Web Interface" />
+</svelte:head>
+
+<section class="h-screen w-screen flex place-items-center place-content-center">
+	<div class="flex flex-col place-items-center gap-8 text-center max-w-[350px]">
+		<div class="flex place-items-center place-content-center ">
+			<img class="text-center" src="immich-logo.svg" height="200" width="200" alt="immich-logo" />
+		</div>
+		<h1 class="text-4xl text-immich-primary font-bold font-immich-title">Welcome to IMMICH Web</h1>
+		<button
+			class="border px-4 py-2 rounded-md bg-immich-primary hover:bg-immich-primary/75 text-white font-bold w-[200px]"
+			on:click={onGettingStartedClicked}
+			>Getting Started
+		</button>
+	</div>
+</section>