feat: add optional native-tls support as alternative to rustls (#8037)

Signed-off-by: Rodolfo Olivieri <rolivier@redhat.com>
Co-authored-by: Claude <noreply@anthropic.com>

crates/goose-server/src/lib.rs

@@ -1,3 +1,9 @@
+#[cfg(not(any(feature = "rustls-tls", feature = "native-tls")))]
+compile_error!("At least one of `rustls-tls` or `native-tls` features must be enabled");
+
+#[cfg(all(feature = "rustls-tls", feature = "native-tls"))]
+compile_error!("Features `rustls-tls` and `native-tls` are mutually exclusive");
+
 pub mod auth;
 pub mod configuration;
 pub mod error;
@@ -5,6 +11,7 @@ pub mod openapi;
 pub mod routes;
 pub mod session_event_bus;
 pub mod state;
+#[cfg(any(feature = "rustls-tls", feature = "native-tls"))]
 pub mod tls;
 pub mod tunnel;