Add keyword and as no-op.

src/intermediate/element.rs

@@ -1,11 +1,13 @@
 use crate::error::CustomError;
 
+use super::keyword::IKeyword;
 use super::registry::Registry;
 use super::IParagraph;
 
 #[derive(Debug)]
 pub(crate) enum IElement {
     Paragraph(IParagraph),
+    Keyword(IKeyword),
 }
 
 impl IElement {
@@ -37,7 +39,9 @@ impl IElement {
             organic::types::Element::Planning(_) => todo!(),
             organic::types::Element::FixedWidthArea(_) => todo!(),
             organic::types::Element::HorizontalRule(_) => todo!(),
-            organic::types::Element::Keyword(_) => todo!(),
+            organic::types::Element::Keyword(inner) => {
+                Ok(IElement::Keyword(IKeyword::new(registry, inner).await?))
+            }
             organic::types::Element::BabelCall(_) => todo!(),
             organic::types::Element::LatexEnvironment(_) => todo!(),
         }