Move list view row and toggler to libcosmic

src/widget/button.rs

@@ -0,0 +1,13 @@
+#[macro_export]
+macro_rules! button {
+    ($($x:expr),+ $(,)?) => (
+        $crate::iced::widget::Button::new(
+            $crate::iced::widget::Row::with_children(
+                vec![$($crate::iced::Element::from($x)),+]
+            )
+            .spacing(8)
+        )
+        .padding([8, 16])
+    );
+}
+pub use button;