[Feat] 모임생성 컴포넌트별 폴더 생성

src/app/post-meetup/page.tsx

@@ -0,0 +1,5 @@
+const PostMeetupPage = () => {
+  return <div></div>;
+};
+
+export default PostMeetupPage;

src/components/layout/header/index.tsx

@@ -1,6 +1,7 @@
 import Link from 'next/link';
 
 import { Icon } from '@/components/icon';
+import Icon from '@/components/shared/icon';
 
 export const Header = () => {
   return (