🎨 Add context-menu UI component

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

@@ -0,0 +1,35 @@
+<script lang="ts">
+  import { ContextMenu as ContextMenuPrimitive } from 'bits-ui';
+  import Check from 'svelte-radix/Check.svelte';
+  import { cn } from '@/utils/cn';
+
+  type $$Props = ContextMenuPrimitive.CheckboxItemProps;
+  type $$Events = ContextMenuPrimitive.CheckboxItemEvents;
+
+  let className: $$Props['class'] = undefined;
+  export { className as class };
+  export let checked: $$Props['checked'] = undefined;
+</script>
+
+<ContextMenuPrimitive.CheckboxItem
+  bind:checked
+  class={cn(
+    'data-[highlighted]:bg-accent data-[highlighted]:text-accent-foreground relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50',
+    className
+  )}
+  {...$$restProps}
+  on:click
+  on:keydown
+  on:focusin
+  on:focusout
+  on:pointerdown
+  on:pointerleave
+  on:pointermove
+>
+  <span class="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+    <ContextMenuPrimitive.CheckboxIndicator>
+      <Check class="h-4 w-4" />
+    </ContextMenuPrimitive.CheckboxIndicator>
+  </span>
+  <slot />
+</ContextMenuPrimitive.CheckboxItem>