Add Customs page to Common Information menu

Project/frontend/src/components/layout/Header.tsx

@@ -19,6 +19,7 @@ import {
   Shield,
   List,
   AlertTriangle,
+  Building,
   Star,
 } from 'lucide-react';
 import { clsx } from 'clsx';
@@ -96,6 +97,7 @@ const dropdownMenus: DropdownMenuConfig[] = [
     items: [
       { type: 'link', path: '/common', icon: Code, label: '공용코드' },
       { type: 'link', path: '/items', icon: Package, label: '품목정보' },
+      { type: 'link', path: '/customs', icon: Building, label: '업체정보' },
       {
         type: 'submenu',
         icon: Users,