Wasm target check before build (#1689)

* Add `rustup show` check for wasm32 target

* better place for check

* fmt

* clippy fmt

packages/router-macro/src/redirect.rs

@@ -75,6 +75,7 @@ impl Redirect {
 
         let (segments, query) = parse_route_segments(
             path.span(),
+            #[allow(clippy::map_identity)]
             closure_arguments.iter().map(|(name, ty)| (name, ty)),
             &path.value(),
         )?;