Added an Icon widget to native.

wgpu/src/renderer/widget/icon.rs

@@ -0,0 +1,21 @@
+use crate::{svg::Handle, Primitive, Renderer};
+use iced_native::{
+    icon, MouseCursor, Rectangle,
+};
+use std::path::Path;
+
+impl icon::Renderer for Renderer {
+    fn draw(
+        &mut self,
+        bounds: Rectangle,
+        path: &Path,
+    ) -> Self::Output {
+        (
+            Primitive::Svg {
+                handle: Handle::from_path(path),
+                bounds,
+            },
+            MouseCursor::OutOfBounds,
+        )
+    }
+}