Update installation command for neo-app to 2.4.0

Author: junnyontop-pixel

README.md

@@ -18,7 +18,7 @@ UI 선언과 JavaScript 로직을 명확히 분리하는 구조로
 ## 🛠 Installation (설치)
 
 ```bash
-npm install @junnyontop-pixel/neo-app@2.3.0
+npm install @junnyontop-pixel/neo-app@2.4.0
 ```
 
 ---
@@ -151,4 +151,4 @@ project-root/
 
 ## 📄 License
 
-MIT License
+MIT License