fix streaming server functions, and precompress assets in release mode (#2121)

packages/fullstack/src/lib.rs

@@ -8,6 +8,8 @@ pub use once_cell;
 
 mod html_storage;
 
+#[cfg(feature = "axum")]
+mod assets;
 #[cfg_attr(docsrs, doc(cfg(feature = "axum")))]
 #[cfg(feature = "axum")]
 mod axum_adapter;