feat: Add support for Azure OpenAI

[jimmydottech]

Description

This PR adds support for Azure OpenAI to the AI system, enabling seamless integration with Azure's LLM services alongside existing providers.

While Azure OpenAI is similar to OpenAI, it requires unique configurations such as API version, custom endpoints, and deployment IDs as model names. For example:

POST https://{endpoint}/openai/deployments/{deployment-id}/embeddings?api-version=2024-10-21

URI Parameters:

Name	In	Required	Type	Description
endpoint	path	Yes	stringurl	Supported Azure OpenAI endpoints (protocol and hostname, for example: https://aoairesource.openai.azure.com. Replace "aoairesource" with your Azure OpenAI resource name). https://{your-resource-name}.openai.azure.com
deployment-id	path	Yes	string	Deployment ID of the model which was deployed.
api-version	query	Yes	string	API version

Request Header:

Name	Required	Type	Description
api-key	True	string	Provide Azure OpenAI API key here

Latest API version:

Latest GA API	Latest Preview API
2024-10-21	2024-10-01-preview

Reference:
https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models
https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
https://learn.microsoft.com/en-us/azure/ai-services/openai/supported-languages
https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/switching-endpoints