Add post_blank to the rust types.

src/context/code.rs

@@ -11,10 +11,12 @@ use super::macros::render;
 #[serde(rename = "code")]
 pub(crate) struct RenderCode {
     contents: String,
+    post_blank: organic::types::PostBlank,
 }
 
 render!(RenderCode, ICode, original, _render_context, {
     Ok(RenderCode {
         contents: original.contents.clone(),
+        post_blank: original.post_blank,
     })
 });