Add comment as a no-op.

src/intermediate/mod.rs

@@ -1,3 +1,4 @@
+mod comment;
 mod convert;
 mod definition;
 mod document_element;
@@ -12,6 +13,7 @@ mod registry;
 mod section;
 mod target;
 mod util;
+pub(crate) use comment::IComment;
 pub(crate) use convert::convert_blog_post_page_to_render_context;
 pub(crate) use definition::BlogPost;
 pub(crate) use document_element::IDocumentElement;