Add post_blank to the rust types.

src/intermediate/footnote_reference.rs

@@ -1,12 +1,13 @@
 use super::macros::intermediate;
 use super::registry::get_footnote_reference_id;
-
 use crate::error::CustomError;
+use organic::types::StandardProperties;
 
 #[derive(Debug, Clone)]
 pub(crate) struct IFootnoteReference {
     footnote_id: usize,
     duplicate_offset: usize,
+    pub(crate) post_blank: organic::types::PostBlank,
 }
 
 intermediate!(
@@ -21,6 +22,7 @@ intermediate!(
         Ok(IFootnoteReference {
             footnote_id,
             duplicate_offset: reference_count,
+            post_blank: original.get_post_blank(),
         })
     }
 );