Moving to native OpenAI SDK, no need for additional client SDK

[nourshaker-msft]

Refactored the code and renamed functions to reflect their functionality packaging the azureOpenAIService as a class to improve reusablilty with constructors and destructors to help maintain healthy connections lifecycle

Purpose

• ...

Does this introduce a breaking change?

[ ] Yes
[x] No - like-for-like drop-in replacement

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

• Test the code
  Follow the steps in README.md to deploy the application

What to Check

Verify that the following are valid

• that it works as expected

Other Information