feat: add deployment guide, backup functionality, and cron jobs for automated backups

docker-entrypoint.sh

@@ -24,6 +24,13 @@ node scripts/create-admin.js
 echo "🔄 Running database migrations..."
 ./run-migrations.sh
 
+# Set up daily backup cron job (runs at 2 AM daily)
+echo "⏰ Setting up daily backup cron job..."
+echo "0 2 * * * cd /app && node backup-db.mjs >> /app/data/backup.log 2>&1" > /etc/cron.d/backup-cron
+chmod 0644 /etc/cron.d/backup-cron
+crontab /etc/cron.d/backup-cron
+service cron start
+
 # Start the application
 echo "✅ Starting production server..."
 exec npm start