feat: init

registry/ui/collapsible/collapsible.svelte

@@ -0,0 +1,11 @@
+<script lang="ts">
+	import { Collapsible as CollapsiblePrimitive } from 'bits-ui';
+
+	let {
+		ref = $bindable(null),
+		open = $bindable(false),
+		...restProps
+	}: CollapsiblePrimitive.RootProps = $props();
+</script>
+
+<CollapsiblePrimitive.Root bind:ref bind:open data-slot="collapsible" {...restProps} />