Support Azure openAI models (Embedder and Generator)

[trungtly]

Is your feature request related to a problem? Please describe.
Please add support for Azure openAI models for Embedder and Generator

Describe the solution you'd like
api_base, api_version needs to be added

https://learn.microsoft.com/en-us/azure/ai-services/openai/quickstart?tabs=command-line%2Cpython-new&pivots=programming-language-python

Haystack v1 has already has this feature implemented, eg:
https://github.com/deepset-ai/haystack/blob/v1.23.x/haystack/nodes/prompt/invocation_layer/azure_open_ai.py

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

[mathislucka]

Thanks for bringing this up. We'll work on that in the coming weeks. Tracking progress separately in the two issues above.

[vblagoje]

Closing this issue as completed. We have implemented and added both Azure embedders and generators