Allow Multiple dependencies for states in the RealDom (native core) (#412)

* WIP multable deps

* WIP: refactor and genralize state macro

* add traversable trait

* update tui to use elementid to index dom

packages/native-core/src/lib.rs

@@ -2,4 +2,6 @@ pub mod layout_attributes;
 pub mod node_ref;
 pub mod real_dom;
 pub mod state;
+#[doc(hidden)]
+pub mod traversable;
 pub mod utils;