feat: event handling on desktop

packages/html/src/events/transition.rs

@@ -0,0 +1,10 @@
+use dioxus_core::UiEvent;
+
+pub type TransitionEvent = UiEvent<TransitionData>;
+#[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
+#[derive(Debug, Clone)]
+pub struct TransitionData {
+    pub property_name: String,
+    pub pseudo_element: String,
+    pub elapsed_time: f32,
+}