Replace to pm2 start from pm2 start .

README.md

@@ -69,7 +69,7 @@ sudo chmod 644 /var/log/ufw.log
 npm install -g pm2
 sudo mkdir -p /var/log/ufw-abuseipdb
 sudo chown -R "$USER":"$USER" /var/log/ufw-abuseipdb
-pm2 start .
+pm2 start
 eval "$(pm2 startup | grep sudo)"
 pm2 save
 ```