Add initial codebase

frontend/src/routes/+layout.svelte

@@ -0,0 +1,9 @@
+<script lang="ts">
+    import "../app.css"
+
+    let { children } = $props()
+</script>
+
+<div class="bg-red-500 w-full h-max">
+    {@render children()}
+</div>

frontend/src/routes/+page.svelte

@@ -0,0 +1,12 @@
+<script lang="ts">
+    import { onMount } from "svelte"
+
+    let text = $state("...")
+    onMount(async () => {
+        let res = await fetch("/api")
+        text = await res.text()
+    })
+</script>
+
+<h1>Welcome to SvelteKit</h1>
+<p class="text-2xl text-red-500">{text}</p>