Initial structure for unhighlighted source blocks.

src/intermediate/src_block.rs

@@ -3,13 +3,18 @@ use crate::error::CustomError;
 use super::registry::Registry;
 
 #[derive(Debug)]
-pub(crate) struct ISrcBlock {}
+pub(crate) struct ISrcBlock {
+    pub(crate) lines: Vec<String>,
+}
 
 impl ISrcBlock {
     pub(crate) async fn new<'parse>(
         registry: &mut Registry<'parse>,
         original: &organic::types::SrcBlock<'parse>,
     ) -> Result<ISrcBlock, CustomError> {
-        Ok(ISrcBlock {})
+        // let contents = original.contents.
+        Ok(ISrcBlock {
+            lines: Vec::new(), // TODO
+        })
     }
 }