CAMEL-20968 : Camel LangChain4j : add the RAG feature

[zbendhiba]

Description

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[davsclaus]

Can you update this file in the PR as its changed

modified:   components/camel-ai/camel-langchain4j-chat/src/test/java/org/apache/camel/component/langchain4j.chat/LangChain4jChatIT.java

[orpiske]

Can you update this file in the PR as its changed

modified:   components/camel-ai/camel-langchain4j-chat/src/test/java/org/apache/camel/component/langchain4j.chat/LangChain4jChatIT.java

Zineb will be on PTO until September. If that's OK, I can merge this code and fix the style issues ...

[orpiske]

Nice one!

[davsclaus]

yeah sure go ahead

[orpiske]

Thanks. Let's merge.