fix clippy suggestions

Author: van-sprundel

check-buddy-gui/src/board.rs

@@ -148,7 +148,7 @@ impl Board {
             y_pos,
             self.position_size,
             self.position_size,
-            if (x + y) % 2 == 0 {
+            if (x + y).is_multiple_of(2) {
                 self.board_conf.light_square
             } else {
                 self.board_conf.dark_square

check-buddy-wgpu/src/lib.rs

@@ -9,15 +9,11 @@ use winit::{
 #[cfg(target_arch = "wasm32")]
 use wasm_bindgen::prelude::*;
 
+#[derive(Default)]
 struct App {
     window: Option<Window>,
 }
 
-impl Default for App {
-    fn default() -> Self {
-        Self { window: None }
-    }
-}
 
 impl ApplicationHandler for App {
     fn resumed(&mut self, event_loop: &ActiveEventLoop) {