added procfile

Procfile

@@ -0,0 +1 @@
+web: npm start

index.js

@@ -1,8 +1,12 @@
+import express from 'express';
 import mongoose from "mongoose";
 import { job } from "./cron.js";
 import cron from "node-cron";   
 import { DEBUG, mongoURL } from "./config.js";
 
+const app = express();
+const port = process.env.PORT ?? "3000";
+
 async function start() {
     try {
         await mongoose.connect(mongoURL, {
@@ -19,6 +23,14 @@ start();
 if(DEBUG)
     console.log("DEBUG Mode");
 
+app.get('/', (_, res) => {
+    res.send('Hello World!')
+});
+
+app.listen(port, () => {
+    console.log(`Example app listening at http://localhost:${port}`)
+});
+
 // In debug mode send notif every minute
 cron.schedule(DEBUG ? "* * * * *" : "0 * * * *", () => {
     console.log("Starting notifications");