Created basic backend for contest admin side

backend/.gitignore

@@ -0,0 +1,2 @@
+# Ignore node_modules folder
+node_modules/

backend/app.js

@@ -0,0 +1,28 @@
+const express=require('express');
+const mysql=require('mysql');
+const router=express.Router();
+
+const db = mysql.createConnection({
+  host: "",
+  user: "",
+  password: "",
+  database:""
+});
+
+db.connect((err)=> {
+  if (err) {
+
+  	throw err;
+  }
+  console.log("Connected!");
+});
+
+
+const app=express();
+app.use('/mycontest',require('./routes/mycontest'));
+
+
+
+app.listen('3000',()=>{
+	console.log('connected');
+});