Add router

+const express = require('express');
+const fs = require('fs');
+const router = express.Router();
+
+var sentiment = fs.readFileSync("sentiment.txt").toString().split('\n');
+var date = fs.readFileSync("date.txt").toString();
+
+module.exports = function(app){
+     app.get('/',function(req,res){
+        res.render('index.html', {
+           total : sentiment[0],
+           positive : sentiment[1],
+           neutral : sentiment[2],
+           negative : sentiment[3],
+           date : date
+        });
+     });
+}
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