Add a number of additional intrinsics adn move generation to an example

Author: Licenser

crates/core_arch/Cargo.toml

@@ -31,3 +31,6 @@ wasm-bindgen-test = "0.2.47"
 
 [package.metadata.docs.rs]
 rustdoc-args = [ "--cfg", "dox" ]
+
+[[example]]
+name = "neon_gen"