wip: add html event type

packages/html/src/events/drag.rs

@@ -10,12 +10,11 @@ pub type DragEvent = Event<DragData>;
 /// placing a pointer device (such as a mouse) on the touch surface and then dragging the pointer to a new location
 /// (such as another DOM element). Applications are free to interpret a drag and drop interaction in an
 /// application-specific way.
+#[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
+#[derive(Debug, Clone)]
 pub struct DragData {
     /// Inherit mouse data
     pub mouse: MouseData,
-
-    /// And then add the rest of the drag data
-    pub data: Box<dyn Any>,
 }
 
 impl_event! {