fix(rpc-types): additionally export on eth namespace as well as * (a…

…lloy-rs#866)

* additional export on eth namespace as well as root

* make sure to conditionally include

crates/rpc-types/src/lib.rs

@@ -22,7 +22,9 @@ pub use alloy_rpc_types_beacon as beacon;
 pub use alloy_rpc_types_engine as engine;
 
 #[cfg(feature = "eth")]
-pub use alloy_rpc_types_eth::*;
+pub use alloy_rpc_types_eth as eth;
+#[cfg(feature = "eth")]
+pub use eth::*;
 
 #[cfg(feature = "trace")]
 pub use alloy_rpc_types_trace as trace;