Add paragraph.

src/intermediate/paragraph.rs

@@ -0,0 +1,24 @@
+use crate::error::CustomError;
+
+use super::registry::Registry;
+use super::IObject;
+
+#[derive(Debug)]
+pub(crate) struct IParagraph {
+    pub(crate) children: Vec<IObject>,
+}
+
+impl IParagraph {
+    pub(crate) fn new<'parse>(
+        registry: &mut Registry<'parse>,
+        paragraph: &organic::types::Paragraph<'parse>,
+    ) -> Result<IParagraph, CustomError> {
+        let children = paragraph
+            .children
+            .iter()
+            .map(|obj| IObject::new(registry, obj))
+            .collect::<Result<Vec<_>, _>>()?;
+
+        Ok(IParagraph { children })
+    }
+}