Update README.md

Author: lindazqli

use-cases/agents/3p-tool/README.md

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+# Connect with partner-authored tools in Azure AI Agent Service
 
+## Overview
+The tool catalog in Azure AI Foundry portal is the hub to discover and use a wide range of tools for building AI agents with Azure AI Agent Service. The tool catalog features tools for extending your agents' abilities using hosted tools, and ones offered from partners such as Tripadvisor, and Morningstar. You can discover all tools offered by **partners** in this folder.
+
+> [!IMPORTANT]
+> * Your use of connected non-Microsoft services is subject to the terms between you and the service provider. By connecting to a non-Microsoft service, you acknowledge that some of your data, such as prompt content, is passed to the non-Microsoft service, and/or your application might receive data from the non-Microsoft service. You're responsible for your use of non-Microsoft data. 
+> * Using tools from tool catalog may incur usage with tool providers, review the pricing plan with your selected tool data providers.
+
+## Get Started
+1. Create an Azure AI Agent following the [documentation](https://learn.microsoft.com/en-us/azure/ai-services/agents/quickstart)
+
+1. Select tools provided by our partners for your agent
+
+|Tool  |Description  |
+|---------|---------|
+| [Tripadvisor](./Tripadvisor/tripadvisor.md) | This tool lets you access Tripadvisor's useful travel platform that can, for example, provide travel guidance and reviews. |
+
+1. Review the README file provided by the partner and get started!
+
+## Frequently Asked Questions
+1. Can I set up an account through Microsoft with the tool provided by a partner?
+
+   No, you have to create an account with the partner directly.
+
+1. I am running into issues with the code sample, how should I troubleshoot?
+
+   If this is an issue with Azure AI Agent service, please refer to your [support plan](https://support.microsoft.com/en-us). If this is an issue with the OpenAPI spec, code sample or authentication, please refer to the `customer support contact` provided by each partner in the README file.
+
+1. I want to learn more about Azure AI Agent service, where should I go?
+
+   Please visit the public documentation [here](https://learn.microsoft.com/en-us/azure/ai-services/agents/)
+