add app.js

+const express = require('express');
+const app = express();
+const logger = require('morgan');
+const bodyParser = require('body-parser');
+
+const apiRouter = express.Router();
+
+app.use(logger('dev', {}));
+app.use(bodyParser.json());
+app.use('/api', apiRouter);
+
+apiRouter.post('/champion', function(req,res) {
+  res.send("Hello,world!");
+  /*
+    const responsebody = {
+        
+            "version": "2.0",
+            "template": {
+              "outputs": [
+                {
+                  "basicCard": {
+                    "title": "보물상자",
+                    "description": "보물상자 안에는 뭐가 있을까",
+                    "thumbnail": {
+                      "imageUrl": "http://k.kakaocdn.net/dn/83BvP/bl20duRC1Q1/lj3JUcmrzC53YIjNDkqbWK/i_6piz1p.jpg"
+                    },
+                    "profile": {
+                      "imageUrl": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcT4BJ9LU4Ikr_EvZLmijfcjzQKMRCJ2bO3A8SVKNuQ78zu2KOqM",
+                      "nickname": "보물상자"
+                    },
+                    "social": {
+                      "like": 1238,
+                      "comment": 8,
+                      "share": 780
+                    },
+                    "buttons": [
+                      {
+                        "action": "message",
+                        "label": "열어보기",
+                        "messageText": "짜잔! 우리가 찾던 보물입니다"
+                      },
+                      {
+                        "action":  "webLink",
+                        "label": "구경하기",
+                        "webLinkUrl": "https://e.kakao.com/t/hello-ryan"
+                      }
+                    ]
+                  }
+                }
+              ]
+            }
+    };
+  */
+});
+/*
+const fs = require('fs');
+app.post('/champion',function(req,res){
+    let championRawData = fs.readFileSync('data/json data/champions.json');
+    let championData = JSON.parse(championRawData);
+    const input = "갱플랭크"
+    for (var i = 0; i < championData.length; ++i){
+        if(championData[i].name == input){
+            console.log(championData[i].name)
+            console.log("비용 : " + championData[i].cost)
+            console.log("시너지 : " + championData[i].traits);
+        }
+    }
+})
+ 
+
+app.get('/', function(req, res){
+    res.send('Hello, World!');
+})
+
+app.get('/test', function(req, res){
+    res.send('Hello, TEST!');
+})
+app.put('/oss', function(req, res){
+    res.send('Hello, OSS!');
+})
+
+app.get('/users/:userId/books/:bookId', function(req, res){
+    console.log(req.params.userId)
+    console.log(req.params.bookId)
+    res.send(req.params);
+})
+
+var server = app.listen(23023, function(){
+    var host = server.address().address
+    var port = server.address().port
+    console.log("Example app listening at https://tft-helper.tk", host, port)
+})
+*/
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