Add documentation on how to create a console application using spring-ai

[asaikali]

add documentation showing how to create a console app using spring ai, folks are opening bug reports around web client and rest client dependencies need to show how to add a web stack but turn off starting a server.

[coderphonui]

I built a console application that using Spring AI and I have put this configuration to the application.yaml to make it works without starting the web server.

spring:
  main:
    web-environment: false
    web-application-type: none

[PRIYANKjakharia]

i can work on it