feature: move all shadcn related code to src/shared/shadcn

src/shared/shadcn/ui/separator/index.ts

@@ -0,0 +1,7 @@
+import Root from './separator.svelte';
+
+export {
+    Root,
+    //
+    Root as Separator,
+};

src/shared/shadcn/ui/separator/separator.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+    import { cn } from '$shared/shadcn/utils/shadcn-utils.js';
+import { Separator as SeparatorPrimitive } from 'bits-ui';
+
+let {
+    ref = $bindable(null),
+    class: className,
+    'data-slot': dataSlot = 'separator',
+    ...restProps
+}: SeparatorPrimitive.RootProps = $props();
+</script>
+
+<SeparatorPrimitive.Root
+    bind:ref
+    data-slot={dataSlot}
+    class={cn(
+        'bg-border shrink-0 data-[orientation=horizontal]:h-px data-[orientation=horizontal]:w-full data-[orientation=vertical]:h-full data-[orientation=vertical]:w-px',
+        className,
+    )}
+    {...restProps}
+/>