create frontend directory

frontend/components/ui/sheet/SheetHeader.vue

@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<{ class?: HTMLAttributes['class'] }>()
+</script>
+
+<template>
+  <div
+    data-slot="sheet-header"
+    :class="cn('flex flex-col gap-1.5 p-4', props.class)"
+  >
+    <slot />
+  </div>
+</template>