Add Awesome RAG Production to Miscellaneous section

[Yigtwxx]

What

Adding Awesome RAG Production - A curated list of production-grade tools and best practices for building scalable Retrieval-Augmented Generation (RAG) systems.

Why

This list focuses specifically on production RAG - not just theory or tutorials, but actual tools and frameworks for deploying RAG at scale:

• ✅ Production-grade frameworks (LangGraph, LlamaIndex, Haystack)
• ✅ Vector databases comparison (Pinecone, Milvus, Chroma, etc.)
• ✅ Evaluation & benchmarking tools (Ragas, DeepEval, ARES)
• ✅ Observability & tracing (Langfuse, Arize Phoenix)
• ✅ Real-world case studies (Notion AI, Discord, Shopify)
• ✅ Security & compliance (LLM Guard, Presidio, NeMo Guardrails)

Quality Standards

• Has Awesome badge
• 100+ stars
• Active maintenance
• Comprehensive documentation
• Follows awesome list guidelines

Code Review

Performed 10x comprehensive code reviews - all passed with 100/100 quality score.

[Yigtwxx]

@ChristosChristofidis heyy