OpenAI features through Azure service

[cveld]

Suggested new feature or improvement

Currently the Quickstart Playground feature requires a native OpenAI service access key. As I have an Azure subscription with the Azure OpenAI service, I would like to leverage that endpoint.

Scenario

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Additional details

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### Tasks
- [ ] Ensure that Azure OpenAI embeddings JSON is current with OpenAI equivalent

[adrastogi]

Thanks for filing this! The support is there when building the Debug flavor of the extension, so it's a question of making that available in Release so that users of the Store package can benefit from this.

cc: @craigloewen-msft, @manodasanW