Create a render ast node type.

src/intermediate/paragraph.rs

@@ -3,7 +3,7 @@ use crate::error::CustomError;
 use super::registry::Registry;
 use super::IObject;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub(crate) struct IParagraph {
     pub(crate) children: Vec<IObject>,
 }