chore(*): Add workbox service worker

src/app.d.ts

@@ -1,13 +1,25 @@
+import 'vite-plugin-pwa/svelte';
+import 'vite-plugin-pwa/info';
+import 'vite-plugin-pwa/pwa-assets';
+
 // See https://kit.svelte.dev/docs/types#app
 // for information about these interfaces
+// and what to do when importing types
 declare global {
-  namespace App {
-    // interface Error {}
-    // interface Locals {}
-    // interface PageData {}
-    // interface PageState {}
-    // interface Platform {}
-  }
+	const __DATE__: string;
+	const __RELOAD_SW__: boolean;
+	namespace App {
+		// interface Error {}
+		interface Locals {
+			userid: string;
+			buildDate: string;
+			periodicUpdates: boolean;
+		}
+
+		// interface PageData {}
+		// interface PageState {}
+		// interface Platform {}
+	}
 }
 
 export {};