Fix cargo test --workspace, associated feature flags, and a number of doctests

packages/manganis/manganis/src/lib.rs

@@ -3,7 +3,10 @@
 
 #[doc(hidden)]
 pub mod macro_helpers;
-pub use manganis_macro::{asset, css_module};
+pub use manganis_macro::asset;
+
+#[doc(hidden)]
+pub use manganis_macro::css_module;
 
 pub use manganis_core::{
     Asset, AssetOptions, BundledAsset, CssAssetOptions, CssModuleAssetOptions, FolderAssetOptions,