Default canvas to fit parent

game_core/src/system/resources.rs

@@ -23,6 +23,7 @@ pub fn configure_default_plugins() -> PluginGroupBuilder {
 				mode: WindowMode::Windowed,
 				title: String::from("Bevy 2D Template"),
 				present_mode: PresentMode::AutoNoVsync,
+				fit_canvas_to_parent: true,
 				..Default::default()
 			},
 			..Default::default()