feat: add azure openai provider (#960)

crates/goose/src/providers/factory.rs

@@ -1,5 +1,6 @@
 use super::{
     anthropic::AnthropicProvider,
+    azure::AzureProvider,
     base::{Provider, ProviderMetadata},
     databricks::DatabricksProvider,
     google::GoogleProvider,
@@ -14,6 +15,7 @@ use anyhow::Result;
 pub fn providers() -> Vec<ProviderMetadata> {
     vec![
         AnthropicProvider::metadata(),
+        AzureProvider::metadata(),
         DatabricksProvider::metadata(),
         GoogleProvider::metadata(),
         GroqProvider::metadata(),
@@ -27,6 +29,7 @@ pub fn create(name: &str, model: ModelConfig) -> Result<Box<dyn Provider + Send
     match name {
         "openai" => Ok(Box::new(OpenAiProvider::from_env(model)?)),
         "anthropic" => Ok(Box::new(AnthropicProvider::from_env(model)?)),
+        "azure_openai" => Ok(Box::new(AzureProvider::from_env(model)?)),
         "databricks" => Ok(Box::new(DatabricksProvider::from_env(model)?)),
         "groq" => Ok(Box::new(GroqProvider::from_env(model)?)),
         "ollama" => Ok(Box::new(OllamaProvider::from_env(model)?)),