GH-11-derive-macros-eats-other-macros

[TheRustifyer]

#11 canyon_entity proc-macro wasn't wiring back the other proc-macros attached to the user struct.

Was necessary to include the parsing for the struct's attributes in the Parse trait implementation, and then wiring back above the struct with the RepInterp<&Attribute> syntax.

quote! {
        #(#struct_attrs)*
        #struct_visibility struct #struct_name #struct_generics {
            #(#fields),*
        }
    }