Feature request: RAG experiences in Message Extensions (plugins for Copilot for Microsoft 365)

[aycabas]

Is your feature request related to a problem? Please describe.
RAG (Retrieval Augmented Generation) architectures are one of the top scenarios when it comes to "bring your own data" in GPT powered bots (Reference posts from the dev community: Ayca Bas LinkedIn, Ben Ufuk Tezcan LinkedIn). Bringing this scenario into plugins (message extensions) would give Copilot for Microsoft 365 access to the existing data in the cloud. Therefore, developers won't need to build and maintain custom copilot, but use Copilot for Microsoft 365 to create their custom search experiences by integrating with Azure AI Search (Vector, Semantic, Keyword, Hybrid)

Describe the solution you'd like
Providing a message extension template that has Azure AI Search integration on Teams Toolkit for Visual Studio and Visual Studio Code. Today, Teams Toolkit search message extension provides an API call to make a query, in addition to the existing template, Teams Toolkit can provide a "search with your own data" message extension that has an integration with Azure AI Search and developers can directly make the search query through RAG architecture. This sample shows how to achieve this: https://github.com/OfficeDev/Copilot-for-M365-Plugins-Samples/tree/main/samples/msgext-doc-search-js

[microsoft-github-policy-service]

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[MuyangAmigo]

Added the RAG Template in the latest Teams Toolkit.