[FEATURE] Add example of using LocalAI with tools

In the https://github.com/langchain4j/langchain4j-examples repo

[fanjia1024]

The Local AI still uses functions to call functioncall？

[CodeHcy]

https://github.com/langchain4j/langchain4j-examples repo Example cannot use function call normally

[VaderKai]

I want to try it,please assign to me

@CodeHcy tools work in examples repo, but one needs to use his/her own API key.