feat: website release v2 (#616)

* feat: upgrade to svelte 5 & tailwind v4 + add navigation menu to ui package

* feat: website navigation with nav menu from shadcn

* chore: refactor navigation menu storybook

* fix: responsiveness bug

* chore: remove tailwind config file

* chore:
- remove carbon icons from repo
- add Geist font family

* refactor website

---------

Co-authored-by: Rotimi Best <best@classroomio.com>

packages/ui/src/base/navigation-menu/navigation-menu-viewport.svelte

@@ -0,0 +1,18 @@
+<script lang="ts">
+  import { NavigationMenu as NavigationMenuPrimitive } from 'bits-ui';
+  import { cn } from '../../tools';
+
+  let { ref = $bindable(null), class: className, ...restProps }: NavigationMenuPrimitive.ViewportProps = $props();
+</script>
+
+<div class={cn('ui:absolute ui:start-0 ui:top-full ui:isolate ui:z-50 ui:flex ui:justify-center')}>
+  <NavigationMenuPrimitive.Viewport
+    bind:ref
+    data-slot="navigation-menu-viewport"
+    class={cn(
+      'ui:origin-top-center ui:bg-popover ui:text-popover-foreground ui:data-[state=open]:animate-in ui:data-[state=closed]:animate-out ui:data-[state=closed]:zoom-out-95 ui:data-[state=open]:zoom-in-90 ui:relative ui:mt-1.5 ui:h-(--bits-navigation-menu-viewport-height) ui:w-full ui:overflow-hidden ui:rounded-md ui:border ui:shadow md:ui:w-[var(--bits-navigation-menu-viewport-width)]',
+      className
+    )}
+    {...restProps}
+  />
+</div>