Add support for plain links.

src/intermediate/plain_link.rs

@@ -1,5 +1,22 @@
-use super::macros::inoop;
+use super::macros::intermediate;
 use crate::error::CustomError;
 use organic::types::StandardProperties;
 
-inoop!(IPlainLink, PlainLink);
+#[derive(Debug, Clone)]
+pub(crate) struct IPlainLink {
+    pub(crate) raw_link: String,
+    pub(crate) post_blank: organic::types::PostBlank,
+}
+
+intermediate!(
+    IPlainLink,
+    &'orig organic::types::PlainLink<'parse>,
+    original,
+    _intermediate_context,
+    {
+        Ok(IPlainLink {
+            raw_link: original.raw_link.to_owned(),
+            post_blank: original.get_post_blank(),
+        })
+    }
+);