Update README.md

updated the readme file with descriptive information about the document.

Author: UmaMaheswariChandrabose

README.md

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-# create-a-custom-chat-bot-with-openai-apis-blazor-and-maui-integration
+# Creating a Custom Chat Bot with OpenAI APIs | Blazor and .NET MAUI
 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.
+This document is ideal for enthusiasts who want to explore AI-driven file search and gain insights into cross-platform integration with .NET MAUI.