Update README with references and AI Shopping assistant

Added a list of references to the README file, including links to resources on Real-Time Intelligence and Microsoft Fabric event streams.

Author: brown9804

0_Azure/_industry-specific/1_Retail/0_Art_of_the_possible/README.md

@@ -10,6 +10,17 @@ Last updated: 2025-10-23
 
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+<details>
+<summary><b>List of References</b> (Click to expand)</summary>
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+- [What is Real-Time Intelligence?](https://learn.microsoft.com/en-us/fabric/real-time-intelligence/overview#how-do-i-use-real-time-intelligence)
+- [Overview of Microsoft Fabric eventstreams](https://learn.microsoft.com/en-us/fabric/real-time-intelligence/event-streams/overview?tabs=enhancedcapabilities)
+- [Overview of Microsoft Fabric eventstreams](https://learn.microsoft.com/en-us/fabric/real-time-intelligence/event-streams/overview?tabs=enhancedcapabilities)
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+</details>
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 ## AI Shopping assistant
 
 > `my own copilot`, `want to chat with my data` [GPT-RAG Solution Accelerator](https://github.com/Azure/GPT-RAG). RAG-based chatbot to interact with manuals, guides, and product data for better search and personalization.