add macro helper for grid

widget/src/helpers.rs

@@ -110,6 +110,19 @@ macro_rules! stack {
     );
 }
 
+/// Creates a [`Grid`] with the given children.
+///
+/// [`Grid`]: crate::Grid
+#[macro_export]
+macro_rules! grid {
+    () => (
+        $crate::Grid::new()
+    );
+    ($($x:expr),+ $(,)?) => (
+        $crate::Grid::with_children([$($crate::core::Element::from($x)),+])
+    );
+}
+
 /// Creates a new [`Text`] widget with the provided content.
 ///
 /// [`Text`]: core::widget::Text