Update README.md

Author: 4th-cloud

README.md

@@ -25,6 +25,18 @@ In short, SentinelFlow is not just an AI service layer—it is a **trust fabric*
 - **Models Service** → Simple hosted model stub (echo + context)  
 - **Audit/Evidence** → Evidence store via AIMS (`/v1/evidence`)
 
+## 📚 References  
+
+- Burns, B., Grant, B., Oppenheimer, D., Brewer, E., & Wilkes, J. (2016). *Borg, Omega, and Kubernetes*. Communications of the ACM, 59(5), 50–57. https://doi.org/10.1145/2890784  
+- European Commission. (2021). *Proposal for a Regulation laying down harmonised rules on artificial intelligence (Artificial Intelligence Act)*. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A52021PC0206  
+- Floridi, L., & Cowls, J. (2022). *A unified framework of five principles for AI in society*. Harvard Data Science Review, 4(1). https://doi.org/10.1162/99608f92.feb68f92  
+- ISO. (2023). *ISO/IEC 42001: Artificial Intelligence Management System (AIMS)*. International Organization for Standardization. https://www.iso.org/standard/81230.html  
+- Lewis, P., Perez, E., Piktus, A., Petroni, F., Karpukhin, V., Goyal, N., ... & Riedel, S. (2020). *Retrieval-augmented generation for knowledge-intensive NLP tasks*. Advances in Neural Information Processing Systems (NeurIPS). https://arxiv.org/abs/2005.11401  
+- Microsoft. (2023). *Microsoft Purview: Unified data governance*. Microsoft Docs. https://learn.microsoft.com/purview  
+- NIST. (2023). *Artificial Intelligence Risk Management Framework (AI RMF 1.0)*. National Institute of Standards and Technology. https://doi.org/10.6028/NIST.AI.100-1  
+- OECD. (2023). *OECD Framework for the Classification of AI Systems*. Organisation for Economic Co-operation and Development. https://oecd.ai  
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 ## 🗂️ Architecture