Feat: internal recording / overdubbing

src/model/docs.rs

@@ -119,6 +119,10 @@ pub const DOCS: &[DocEntry] = &[
         "Using Variables",
         include_str!("../../docs/tutorials/variables.md"),
     ),
+    Topic(
+        "Recording",
+        include_str!("../../docs/tutorials/recording.md"),
+    ),
 ];
 
 pub fn topic_count() -> usize {