build: re-apply focus

examples/with_winit/src/lib.rs

diff --git a/examples/with_winit/src/lib.rs b/examples/with_winit/src/lib.rs
index 3226d1d..45cd7d0 100644
--- a/examples/with_winit/src/lib.rs
+++ b/examples/with_winit/src/lib.rs
@@ -624,7 +624,8 @@
                 .and_then(|doc| doc.body())
                 .and_then(|body| body.append_child(canvas.as_ref()).ok())
                 .expect("couldn't append canvas to document body");
-
+            // Best effort to start with the canvas focused, taking input
+            _ = web_sys::HtmlElement::from(canvas).focus();
             wasm_bindgen_futures::spawn_local(async move {
                 let (width, height, scale_factor) = web_sys::window()
                     .map(|w| {