bump a lot of big changes I dont want to break down into individual commits

src/tasks/demo.rs

@@ -0,0 +1,18 @@
+use embassy_sync::channel::DynamicSender;
+use embassy_time::Timer;
+
+use crate::events::{Notification, Scene};
+
+
+#[embassy_executor::task]
+pub async fn demo_task(ui: DynamicSender<'static, Notification>) {
+    Timer::after_secs(10).await;
+    ui.send(Notification::SceneChange(Scene::Idle)).await;
+    Timer::after_secs(10).await;
+    loop {
+        for scene in [Scene::Accelerating, Scene::Ready, Scene::Decelerating, Scene::Ready] {
+            Timer::after_secs(8).await;
+            ui.send(Notification::SceneChange(scene)).await
+        };
+    }
+}