Please describe your feature request:

Integrate https://github.com/praetorian-inc/nerva for built-in service discovery!

Existing options to integrate with:

$ naabu -h | grep service
   -sD, -service-discovery  Service Discovery
   -sV, -service-version    Service Version

Describe the use case of this feature:

https://www.praetorian.com/blog/whats-running-on-that-port-introducing-nerva-for-service-fingerprinting/