Add TODO around preferring local wheels (#208)

crates/puffin-dispatch/src/lib.rs

@@ -74,6 +74,8 @@ impl BuildContext for BuildDispatch {
                 Manifest::new(
                     requirements.to_vec(),
                     Vec::default(),
+                    // TODO(charlie): Include locally-available wheels in the list of preferred
+                    // versions.
                     Vec::default(),
                     ResolutionMode::default(),
                 ),