Update README.md

+[<img src="https://img.shields.io/badge/Node.js-339933?style=for-the-badge&logo=Node.js&logoColor=white">](https://nodejs.org/ko/)
+[<img src="https://img.shields.io/badge/Express-000000?style=for-the-badge&logo=Express&logoColor=white">](https://expressjs.com/ko/)
+
+<div align="center"><img src="./image/title.PNG" width="70%" height="70%"></div>
+
+# 공휴일 카운터 및 활동 추천 (Holiday-Counter-Recommend-Activity)
+
+사용자에게 가장 가까운 공휴일의 남은 날짜와 추천하는 활동을 알려주는 웹/앱입니다.
+
 ## About The Project
 
----
+- Open Api로부터 이번달의 공휴일 정보를 불러옵니다.
+- 현재 날짜 이후로부터 가장 가까운 공휴일의 남은 날짜와 추천하는 활동을 알려줍니다.
 
-공휴일 카운터 및 활동 추천
+### Overview
 
-## Getting Started (Installation)
+Require overview image
 
----
+### Project Architecture
+
+Require project architecture image
+
+### Built With
+
+- [Node.js](https://nodejs.org/ko/)
+- [Express](https://expressjs.com/ko/)
+
+## Getting Started
 
 ### Prerequisites
 
-- Node.js
+Need to get your service key from **[here](https://www.data.go.kr/data/15012690/openapi.do)**
+- `holiday-counter-recommend-activity/nodejs/.env`
+
+```dotenv
+API_KEY=INPUT_YOUR_SERVICE_KEY
+```
 
 ### Installation
 
-1. Clone the repository 
-[copy content="git clone http://khuhub.khu.ac.kr/teamPARK/holiday-counter-recommend-activity.git"]
-2. Install NPM packages
-[copy content="npm install"]
-3. Open Server
-[copy content="npm start"]
+1. Clone the repository
+```shell
+git clone http://khuhub.khu.ac.kr/teamPARK/holiday-counter-recommend-activity.git
+```
 
-## Built with 
-- [Node.js](https://nodejs.org/ko/)
+2. Write your service key that you get in prerequisite to
+```shell
+holiday-counter-recommend-activity/nodejs/.env
+   ```
 
+3. Install NPM packages
+```shell
+npm install
+```
 
-## Contributing
+4. Open Server
+```shell
+npm start
+```
 
----
+## Contributing
 
-다음 과정을 통해 프로젝트에 기여할 수 있습니다. 
+다음 과정을 통해 프로젝트에 기여할 수 있습니다.
 
 1. Fork the project repository
-2. Create your branch 
-3. Make changes and commit
-4. Push to your own Gibhub repository
+2. Create your branch (git checkout feature/name)
+3. Make changes and commit (git commit -m "Input your commit contents")
+4. Push to your own Gibhub repository (git push origin feature/name)
 5. Create a pull request
 
-. 
+## Contact
 
+- 박지환: peto@khu.ac.kr
+- 박규리: kyuri0924@khu.ac.kr
+- 박종현: asd401200@khu.ac.kr
 
-## Contact
-박지환
-박규리
-박종현
-[프로젝트 링크] (http://khuhub.khu.ac.kr/teamPARK/holiday-counter-recommand-activity.git)
+     **[Project Link](http://khuhub.khu.ac.kr/teamPARK/holiday-counter-recommend-activity.git)**
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