fix: resolve MongoDB connection and port configuration issues

- Added dotenv configuration for environment variables
- Fixed MongoDB connection string loading
- Configured server port to 3005
- Updated cron jobs for expired messages

boot/mongo.js

@@ -9,7 +9,9 @@
 // }
 // module.exports = startMongoDB
 
+
 const mongoose = require('mongoose')
+require('dotenv').config();
 mongoose.connection.on('error', (error) => {
   console.log('mongodb connection failed! ', error.message)
 })