Addition of Azure Open AI

[kSinglaVikas]

Add Azure OpenAI to talk to AI search to provide LLM capability. Article : https://learn.microsoft.com/en-us/azure/architecture/solution-ideas/articles/cognitive-search-with-skillsets

[PesalaPavan]

@kSinglaVikas Thanks for your feedback! I've assigned this issue to the author who will investigate and update as appropriate.

[ckittel]

The author of this article no longer works at Microsoft, @PesalaPavan.

@ShannonLeavitt

[ShannonLeavitt]

I sent email to @HeidiSteen to see if she can take ownership of the article and issue.

[mSarts]

Assigning to @gmndrg per email thread with @HeidiSteen.