Merge pull request #14584 from OfficeDev/yuqzho/readme-update-csharp

refactor: csharp AI V2 readme

Author: wh-alice

templates/vs/csharp/custom-copilot-basic/.{{NewProjectTypeName}}/README.md.tpl

@@ -71,7 +71,7 @@ The app template is built using the Teams AI library, which provides the capabil
 You can follow [Get started with Teams AI library](https://learn.microsoft.com/en-us/microsoftteams/platform/bots/how-to/teams%20conversational%20ai/how-conversation-ai-get-started) to extend the agent template with more AI capabilities.
 
 ## Additional information and references
-- [Teams AI library](https://aka.ms/teams-ai-library)
+- [Teams AI library V2](https://aka.ms/teams-ai-library-v2)
 - [Microsoft 365 Agents Toolkit Documentations](https://docs.microsoft.com/microsoftteams/platform/toolkit/teams-toolkit-fundamentals)
 - [Microsoft 365 Agents Toolkit CLI](https://aka.ms/teamsfx-toolkit-cli)
 - [Microsoft 365 Agents Toolkit Samples](https://github.com/OfficeDev/TeamsFx-Samples)

templates/vs/csharp/custom-copilot-rag-azure-ai-search/.{{NewProjectTypeName}}/README.md.tpl

@@ -3,7 +3,7 @@
 This app template showcases how to build one of the most powerful applications enabled by LLM - sophisticated question-answering (Q&A) agent that can answer questions about specific source information right in the Microsoft Teams.
 This app template also demonstrates usage of techniques like: 
 - [Retrieval Augmented Generation](https://python.langchain.com/docs/use_cases/question_answering/#what-is-rag), or RAG.
-- [Teams AI Library](https://aka.ms/teams-ai-library-v2)
+- [Teams AI Library V2](https://aka.ms/teams-ai-library-v2)
 
 ## Get started with the template
 

templates/vs/csharp/custom-copilot-rag-customize/.{{NewProjectTypeName}}/README.md.tpl

@@ -3,7 +3,7 @@
 This app template showcases how to build one of the most powerful applications enabled by LLM - sophisticated question-answering (Q&A) chat bots that can answer questions about specific source information right in the Microsoft Teams.
 This app template also demonstrates usage of techniques like: 
 - [Retrieval Augmented Generation](https://python.langchain.com/docs/use_cases/question_answering/#what-is-rag), or RAG.
-- [Teams AI Library](https://learn.microsoft.com/microsoftteams/platform/bots/how-to/teams%20conversational%20ai/teams-conversation-ai-overview)
+- [Teams AI library V2](https://aka.ms/teams-ai-library-v2)
 
 ## Get started with the template