feat: 메뉴 구성에 line 추가

hwe/sammo/DTO/MenuLine.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace sammo\DTO;
+
+use LDTO\DTO;
+
+class MenuLine extends DTO{
+  public readonly string $type;
+
+  public function __construct(
+  ){
+    $this->type = 'line';
+  }
+}

hwe/sammo/DTO/MenuMulti.php

@@ -9,7 +9,7 @@ use LDTO\Converter\ArrayConverter;
 class MenuMulti extends DTO{
   public readonly string $type;
 
-  /** @param MenuItem[] $subMenu */
+  /** @param (MenuItem|MenuLine)[] $subMenu */
   public function __construct(
     public string $name,
     #[Convert(ArrayConverter::class, [DTO::class])]

hwe/sammo/DTO/MenuSplit.php

@@ -9,7 +9,7 @@ use LDTO\DTO;
 class MenuSplit extends DTO{
   public readonly string $type;
 
-  /** @param MenuItem[] $subMenu */
+  /** @param (MenuItem|MenuLine)[] $subMenu */
   public function __construct(
     public MenuItem $main,
     #[Convert(ArrayConverter::class, [DTO::class])]