experimentation: use dynamic type ids for signatures and add qol macro

crates/prowocessing/src/experimental/trait_based.rs

@@ -5,6 +5,7 @@
 //! - [Builder pattern](https://rust-unofficial.github.io/patterns/patterns/creational/builder.html)
 
 pub mod data;
+#[macro_use]
 pub mod element;
 pub mod ops;
 pub mod pipeline;