added first draft for lib-crates for test_random and test_random_derive (lighthouse-246)

eth2/utils/test_random_derive/src/lib.rs

@@ -0,0 +1,15 @@
+extern crate proc_macro;
+
+use crate::proc_macro::TokenStream;
+use quote::quote;
+use syn;
+use syn::DeriveInput;
+
+#[proc_macro_derive(TestRandom)]
+pub fn test_random_derive(input: TokenStream) -> TokenStream {
+    let ast = syn::parse(input).unwrap();
+
+    impl_test_random(&ast)
+}
+
+fn impl_test_random(ast: &DeriveInput) -> TokenStream {}