Set Environment - README, LICENSE, package.json

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+# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,node,jetbrains

+![node-16.14.2](https://img.shields.io/badge/Node-16.14.2-green?style=for-the-badge)
+
+## Secondhand-noti-bot
+
+---
+
+사용자에게 입력받은 키워드를 통해 3곳의 중고매물 사이트(중고나라, 당근마켓, 번개장터)에 매물을 감지, 알림을 전송하는 봇입니다.
+
+## About The Project
+
+---
+
+- 봇을 사용해 키워드를 입력 받습니다.
+- 주기적 크롤링을 통해 새로운 매물을 감지해 알림을 전송합니다.
+
+### Built With
+
+- [Node.js](https://nodejs.org/ko/)
+- [Express](https://expressjs.com/ko/)
+
+## Getting Started
+
+---
+
+### Prerequisites
+
+- Node.js
+
+### Installation
+
+1. Clone the repository
+   ```sh
+   git clone http://khuhub.khu.ac.kr/2018102211/secondhand-noti-bot
+   ```
+2. Install NPM packages
+   ```sh
+   npm install
+   ```
+3. Start Project
+   ```sh
+   npm start
+   ```
+
+## Contributing
+
+---
+
+프로젝트에 기여하고 싶으신 분들은 아래 절차를 따라주시기 바랍니다.
+
+1. 프로젝트 fork
+2. feature branch 생성 (git checkout -b feature/n-name) (프로젝트 feature를 구분하기 위해 feature name 앞에 숫자를 넣습니다.)
+3. commit (git commit -m "Add feature)
+4. push (git push origin feature/n-name)
+5. pull request 생성
+
+## Contact
+
+---
+
+- 유명현, mhlew0106@khu.ac.kr
+- 윤준석, phobyjun@gmail.com

+var express = require("express");
+var app = express();
+
+app.get("/", function (req, res) {
+  res.send("<h1>hello express!</h1>");
+});
+
+app.listen(3000);

+{
+  "name": "secondhand-noti-bot",
+  "version": "1.0.0",
+  "description": "secondhand notification bot with keyword",
+  "main": "app.js",
+  "scripts": {
+    "start": "node ./app.js",
+    "start:dev": "nodemon ./app.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://khuhub.khu.ac.kr/2018102211/secondhand-noti-bot.git"
+  },
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "express": "^4.18.1",
+    "nodemon": "^2.0.16"
+  }
+}