Quarkus LangChain4J Examples Quarkus DuckDuckGo Example Agentic AI with Quarkus Links we Love agentic-ai-with-quarkus agentic-ai-with-quarkus-p2 quarkus-drools-llm quarkus-workshop-langchain4j Quarkus Insights #195: Complementing LLM with agentic AI in Quarkus