chore: rename field

Author: apskhem

rust/catalyst-signed-doc-macro/src/rules/content_type.rs

@@ -2,10 +2,10 @@
 use proc_macro2::TokenStream;
 use quote::quote;
 
-use crate::signed_doc_spec::{self, node::IsRequired};
+use crate::signed_doc_spec::{self, field::IsRequired};
 
 /// Generating `RefRule` instantiation
-pub(crate) fn ref_rule(ref_spec: &signed_doc_spec::node::ContentType) -> anyhow::Result<TokenStream> {
+pub(crate) fn ref_rule(ref_spec: &signed_doc_spec::field::ContentType) -> anyhow::Result<TokenStream> {
     let optional = match ref_spec.required {
         IsRequired::Yes => true,
         IsRequired::Optional => false,