feat: Build a prototype FFI for goose rust library (#2206)

This builds a prototype FFI for goose rust library which only supports initializing goose agent and sending message, there is no support for tool calling yet in this library.

crates/goose/src/providers/databricks.rs

@@ -84,7 +84,6 @@ impl DatabricksProvider {
         // For compatibility for now we check both config and secret for databricks host
         // but it is not actually a secret value
         let mut host: Result<String, ConfigError> = config.get_param("DATABRICKS_HOST");
-
         if host.is_err() {
             host = config.get_secret("DATABRICKS_HOST")
         }
@@ -123,6 +122,31 @@ impl DatabricksProvider {
         })
     }
 
+    /// Create a new DatabricksProvider with the specified host and token
+    ///
+    /// # Arguments
+    ///
+    /// * `host` - The Databricks host URL
+    /// * `token` - The Databricks API token
+    /// * `model` - The model configuration
+    ///
+    /// # Returns
+    ///
+    /// Returns a Result containing the new DatabricksProvider instance
+    pub fn from_params(host: String, api_key: String, model: ModelConfig) -> Result<Self> {
+        let client = Client::builder()
+            .timeout(Duration::from_secs(600))
+            .build()?;
+
+        Ok(Self {
+            client,
+            host,
+            auth: DatabricksAuth::token(api_key),
+            model,
+            image_format: ImageFormat::OpenAi,
+        })
+    }
+
     async fn ensure_auth_header(&self) -> Result<String> {
         match &self.auth {
             DatabricksAuth::Token(token) => Ok(format!("Bearer {}", token)),