add papago-api function

 const express = require('express');
+const request = require('request');
 const app = express();
+const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
+const client_id = 'cIZBOTfISMHEyygh_NHp';
+const client_secret = '8D32UNGgYp';
 const PORT = process.env.PORT || 3000;
 
 //const indexRoute = require("./routes/index");
@@ -13,6 +17,7 @@ app.use(express.static(__dirname + '/public'));
  app.get('/', function(req, res){
     //res.send('hello world');
      res.render('index');
+     
  });
 
 //app.use('/', indexRoute);
@@ -20,3 +25,22 @@ app.use(express.static(__dirname + '/public'));
 app.listen(PORT, function(){
     console.log('listen',PORT);
 });
+
+function trans(message, totrans){
+    request.post(
+        {
+            url: PAPAGO_URL,
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+                'X-Naver-Client-Id': `${PAPAGO_ID}`,
+                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
+            },
+            body: 'source=ko&target=en&text=' + message,
+            json:true
+        },(error, response, body) => {
+            if(!error && response.statusCode == 200) {
+                console.log(body.message);
+                totrans = body.message.result.translatedText;
+            }
+        });
+}
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@@ -3,6 +3,7 @@ const router = express.Router();
 
 router.get('/', function(req, res){
     res.render('index');
+    console.log("trtt")
 });
 
 module.exports = router;
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