feat: implement settings

app/src/routes/+layout.svelte

@@ -1,5 +1,11 @@
 <script lang="ts">
   import "@nodes/ui/app.css";
+  import "virtual:uno.css";
+  import "@unocss/reset/normalize.css";
 </script>
 
 <slot />
+
+{#if false}
+  <span class="absolute i-tabler-settings w-6 h-6 block"></span>
+{/if}