feat(widget): initial implementation of Grid widget

src/widget/grid/mod.rs

@@ -0,0 +1,12 @@
+// Copyright 2023 System76 <info@system76.com>
+// SPDX-License-Identifier: MPL-2.0
+
+pub mod layout;
+pub mod widget;
+
+pub use widget::{Grid, Item};
+
+/// Responsively generates rows and columns of widgets based on its dimmensions.
+pub const fn grid<'a, Message>() -> Grid<'a, Message> {
+    Grid::new()
+}