adding cors support

index.js

@@ -4,7 +4,9 @@ const express = require("express");
 const app = express();
 const bodyParser = require('body-parser');
 const mysql = require('mysql');
+const cors = require('cors');
 
+app.use(cors());
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({extended: true}));