idek stuff like stack

src/core/stack.rs

@@ -0,0 +1,13 @@
+use crate::{Widget, WidgetId};
+
+pub struct Stack {
+    pub children: Vec<WidgetId>,
+}
+
+impl<Ctx> Widget<Ctx> for Stack {
+    fn draw(&self, painter: &mut crate::Painter<Ctx>) {
+        for child in &self.children {
+            painter.draw(child);
+        }
+    }
+}