feat: add separator component

Author: Slartibartfass2

src/lib/components/primitives/separator/index.ts

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

src/lib/components/primitives/separator/separator.svelte

@@ -0,0 +1,22 @@
+<script lang="ts">
+    import { Separator as SeparatorPrimitive } from "bits-ui";
+    import { cn } from "$lib/utils/shadcn-helper.js";
+
+    let {
+        ref = $bindable(null),
+        class: className,
+        orientation = "horizontal",
+        ...restProps
+    }: SeparatorPrimitive.RootProps = $props();
+</script>
+
+<SeparatorPrimitive.Root
+    bind:ref
+    class={cn(
+        "bg-border shrink-0",
+        orientation === "horizontal" ? "h-[1px] w-full" : "min-h-full w-[1px]",
+        className,
+    )}
+    {orientation}
+    {...restProps}
+/>