feat(icon): make a somewhat fancy custom icon

assets/manifest.json

@@ -1,21 +1,15 @@
 {
-  "name": "egui Template PWA",
-  "short_name": "egui-template-pwa",
+  "name": "Rollator PWA",
+  "short_name": "rollator-pwa",
   "icons": [
     {
-      "src": "./icon-256.png",
+      "src": "./icon-256.jpg",
       "sizes": "256x256",
       "type": "image/png"
     },
     {
-      "src": "./maskable_icon_x512.png",
+      "src": "./icon-512.jpg",
       "sizes": "512x512",
-      "type": "image/png",
-      "purpose": "any maskable"
-    },
-    {
-      "src": "./icon-1024.png",
-      "sizes": "1024x1024",
       "type": "image/png"
     }
   ],

src/main.rs

@@ -1,22 +1,26 @@
 #![warn(clippy::all, rust_2018_idioms)]
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
 
+use eframe::icon_data::IconDataExt;
 mod app;
 
 // When compiling natively:
 #[cfg(not(target_arch = "wasm32"))]
 fn main() -> eframe::Result {
+    use egui::IconData;
+
     env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
 
+    let icon = IconData {
+        rgba: include_bytes!("../assets/icon-512.jpg").into(),
+        width: 512,
+        height: 512,
+    };
     let native_options = eframe::NativeOptions {
         viewport: egui::ViewportBuilder::default()
             .with_inner_size([400.0, 300.0])
             .with_min_inner_size([300.0, 220.0])
-            .with_icon(
-                // NOTE: Adding an icon is optional
-                eframe::icon_data::from_png_bytes(&include_bytes!("../assets/icon-256.png")[..])
-                    .expect("Failed to load icon"),
-            ),
+            .with_icon(icon),
         ..Default::default()
     };
     eframe::run_native(