Update README.md

Author: UmaMaheswariChandrabose

README.md

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 Learn how to build a custom chat bot using OpenAI APIs, starting with Blazor and extending to a .NET MAUI Blazor hybrid app.
 
 In this document, you'll explore:
-* Create a Vector Store: Learn how to build and manage a vector store to handle file data efficiently.
-* Develop an AI Assistant: Implement an AI-powered assistant capable of intelligent file search and response generation.
-* Upload Files: Discover how to upload and index files in your vector store for enhanced search capabilities.
-* Link Threads: Explore how to create and manage conversation threads to improve interaction and context understanding.
-* Integrate with .NET MAUI: See how to access and reuse your Blazor-based chatbot in a .NET MAUI Blazor hybrid app, combining the best of both technologies.
+* *Create a Vector Store:* Learn how to build and manage a vector store to handle file data efficiently.
+* *Develop an AI Assistant:* Implement an AI-powered assistant capable of intelligent file search and response generation.
+* *Upload Files:* Discover how to upload and index files in your vector store for enhanced search capabilities.
+* *Link Threads:* Explore how to create and manage conversation threads to improve interaction and context understanding.
+* *Integrate with .NET MAUI:* See how to access and reuse your Blazor-based chatbot in a .NET MAUI Blazor hybrid app, combining the best of both technologies.
 This document is ideal for enthusiasts who want to explore AI-driven file search and gain insights into cross-platform integration with .NET MAUI.