initial commit

+const express = require('express');
+const app = express();
+const port = 3000;
+
+app.get('/', (req, res) => {
+  res.send('hello world!');
+});
+
+app.listen(port, () => console.log(`Server is running on port ${port}`));
\ No newline at end of file

+{
+  "name": "sweetday-dessert-chatbot",
+  "version": "1.0.0",
+  "description": "Chatbot based on Express.js, Line API",
+  "main": "app.js",
+  "scripts": {
+    "start": "node app.js",
+    "start:dev": "nodemon app.js",
+    "start:prod": "pm2 app.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://khuhub.khu.ac.kr/2020105581/DessertChatbot.git"
+  },
+  "keywords": [
+    "nodejs",
+    "expressjs",
+    "line",
+    "chatbot"
+  ],
+  "author": "윤성아",
+  "license": "MIT",
+  "dependencies": {
+    "express": "^4.17.1"
+  }
+}