[FEATURE] Add withApiKey and withEndpoint shortcut methods to Azure models

Today all the models have Builders so you can build a valid model and then invoke it. Some models (MistralAiChatModel, NomicEmbeddingModel, OpenAiChatModel, etc.) also have shortcut methods allowing to set the minimum required attributes instead of using the builder:

// Using shortcut methods
ChatLanguageModel model = OpenAiChatModel.withApiKey(ApiKeys.OPENAI_API_KEY);

// Using the builder
ChatLanguageModel model = OpenAiChatModel.builder()
        .apiKey(ApiKeys.OPENAI_API_KEY))
        .modelName(GPT_4_VISION_PREVIEW)
        .maxTokens(50)
        .build();

It would be nice to have the same shortcuts (apiKey and endpoint) in the Azure models (AzureOpenAiChatModel, AzureOpenAiLanguageModel, AzureOpenAiStreamingLanguageModel, etc.)

AzureOpenAiChatModel model = AzureOpenAiChatModel.withApiKey(apiKey).withEndpoint(endpoint);

This way you can easily have an Azure model in one line.... and use the Builder if you need more control.

As a developer who uses langchain4j, I would want the same shortcuts for all models.

i wanna try this, pls assign me thanks.

@yeshadoo go ahead, thanks!

Hey @yeshadoo, any progress on that? Do you need any help?

I apologize for being a bit busy recently, so I have to temporarily cancel the task assignment.

On Thu, Mar 21, 2024 at 11:55 AM Antonio Goncalves @.***> wrote:

Hey @yeshadoo https://github.com/yeshadoo, any progress on that? Do you need any help?

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@yeshadoo No problem, that's fine. It happens to all of us. I'll take care of it.

@langchain4j can you assign this one to me please