🎨 Add context-menu UI component

src/ui/context-menu/context-menu-item.svelte

@@ -0,0 +1,31 @@
+<script lang="ts">
+  import { ContextMenu as ContextMenuPrimitive } from 'bits-ui';
+  import { cn } from '@/utils/cn';
+
+  type $$Props = ContextMenuPrimitive.ItemProps & {
+    inset?: boolean;
+  };
+  type $$Events = ContextMenuPrimitive.ItemEvents;
+
+  let className: $$Props['class'] = undefined;
+  export let inset: $$Props['inset'] = undefined;
+  export { className as class };
+</script>
+
+<ContextMenuPrimitive.Item
+  class={cn(
+    'data-[highlighted]:bg-neutral-100 dark:data-[highlighted]:bg-neutral-800 data-[highlighted]:text-accent-foreground relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 space-x-2',
+    inset && 'pl-8',
+    className
+  )}
+  {...$$restProps}
+  on:click
+  on:keydown
+  on:focusin
+  on:focusout
+  on:pointerdown
+  on:pointerleave
+  on:pointermove
+>
+  <slot />
+</ContextMenuPrimitive.Item>