alignment!!!

src/core/align.rs

@@ -0,0 +1,17 @@
+use crate::prelude::*;
+
+pub struct Aligned {
+    pub inner: WidgetId,
+    pub align: Align,
+}
+
+impl Widget for Aligned {
+    fn draw(&mut self, painter: &mut Painter) {
+        let region = UiRegion::from_size_align(painter.size(&self.inner), self.align);
+        painter.draw_within(&self.inner, region);
+    }
+
+    fn size(&mut self, ctx: &mut SizeCtx) -> Vec2 {
+        ctx.size(&self.inner)
+    }
+}