Refactor code structure for improved readability and maintainability

Co-authored-by: Copilot <copilot@github.com>

flutter/build/web/assets/AssetManifest.bin.json

@@ -0,0 +1 @@
+"DQA="

flutter/build/web/assets/FontManifest.json

@@ -0,0 +1 @@
+[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.otf"}]}]

flutter/build/web/flutter_bootstrap.js

@@ -37,6 +37,6 @@ _flutter.buildConfig = {"engineRevision":"59aa584fdf100e6c78c785d8a5b565d1de4b48
 
 _flutter.loader.load({
   serviceWorkerSettings: {
-    serviceWorkerVersion: "3071527921" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
+    serviceWorkerVersion: "1494425110" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
   }
 });

flutter/build/web/flutter_service_worker.js

@@ -0,0 +1,31 @@
+'use strict';
+
+self.addEventListener('install', () => {
+  self.skipWaiting();
+});
+
+self.addEventListener('activate', (event) => {
+  event.waitUntil(
+    (async () => {
+      try {
+        await self.registration.unregister();
+      } catch (e) {
+        console.warn('Failed to unregister the service worker:', e);
+      }
+
+      try {
+        const clients = await self.clients.matchAll({
+          type: 'window',
+        });
+        // Reload clients to ensure they are not using the old service worker.
+        clients.forEach((client) => {
+          if (client.url && 'navigate' in client) {
+            client.navigate(client.url);
+          }
+        });
+      } catch (e) {
+        console.warn('Failed to navigate some service worker clients:', e);
+      }
+    })()
+  );
+});

flutter/build/web/version.json

@@ -0,0 +1 @@
+{"app_name":"recipe_flutter","version":"1.0.0","build_number":"1","package_name":"recipe_flutter"}