Add link to next.layerstack.dev

Author: techniq

sites/docs/src/routes/+layout.svelte

@@ -8,6 +8,7 @@
     AppBar,
     AppLayout,
     Button,
+    Icon,
     MenuButton,
     QuickSearch,
     ThemeInit,
@@ -137,14 +138,23 @@
 <!-- Set theme before anything renders (even when SSR is in use) -->
 <ThemeInit />
 
-<AppLayout>
+<AppLayout headerHeight={96}>
   <svelte:fragment slot="nav">
     <NavMenu />
     <!-- Spacer -->
     <div class="h-4"></div>
   </svelte:fragment>
 
-  <AppBar {title}>
+  <AppBar {title} class="pt-8">
+    <div
+      class="fixed top-0 left-0 w-full h-8 bg-primary-700 flex gap-2 items-center justify-center text-sm font-medium"
+    >
+      LayerStack for Svelte 5 has been released! -
+      <a href="https://next.layerstack.dev" class="underline-offset-2 hover:underline">
+        Visit the preview docs <Icon data={mdiArrowTopRight} class="text-xs mt-[-2px]" />
+      </a>
+    </div>
+
     <div slot="actions" class="flex gap-3">
       <Button
         href="https://www.layerchart.com"