Add missing files to match module structure (5 files like other modules)

- Add generative-ai-llms-advanced-topics.md:
  - Advanced prompt engineering (chaining, self-consistency, tree of thoughts)
  - Advanced RAG techniques (hybrid search, query rewriting, reranking)
  - Agent architectures (ReAct with memory, hierarchical, meta-agents)
  - Model optimization (caching, streaming, batch processing)
  - Evaluation and benchmarking
  - Cost optimization strategies
  - Security and safety
  - Scaling GenAI applications

- Add generative-ai-llms-project-tutorial.md:
  - Step-by-step RAG system tutorial
  - Complete code examples from setup to deployment
  - Streamlit deployment example
  - Evaluation and troubleshooting

- Add generative-ai-llms-quick-reference.md:
  - Quick code snippets for common tasks
  - Prompt engineering patterns
  - Vector database operations
  - RAG system implementation
  - LangChain patterns
  - AI agent examples
  - Best practices checklist

- Update README.md to include links to new files
- Module now has 5 files matching structure of other modules (24-audio-speech-processing, 12-natural-language-processing)

Author: NabidAlam

25-generative-ai-llms/README.md

@@ -145,6 +145,9 @@ By the end of this module, you should be able to:
 **[Complete Detailed Guide →](generative-ai-llms.md)**
 
 **Additional Resources:**
+- [Advanced Topics →](generative-ai-llms-advanced-topics.md) - Advanced RAG, agent architectures, optimization
+- [Project Tutorial →](generative-ai-llms-project-tutorial.md) - Step-by-step RAG system project
+- [Quick Reference →](generative-ai-llms-quick-reference.md) - Quick lookup guide for GenAI
 - [Generative AI Comprehensive Guide](../resources/generative_ai_comprehensive_guide.md) - Complete overview with all concepts
 - [RAG Comprehensive Guide](../resources/rag_comprehensive_guide.md) - Deep dive into RAG implementation
 - [LangChain Guide](../resources/langchain_guide.md) - LangChain framework details