Add features:

- manifest.json with PNG icon set.
 - reset option against QuickLinks storage
 - 'Preferences' store, ready for preferences page - including location boolean... Important!
 - Minor service-worker improvements for better offline fallbacks

src/lib/quick-links.svelte.ts

@@ -11,14 +11,18 @@ const MAX_ENTRIES: number = RETURNED_LENGTH * 4;
 class QuickLinksService {
 	#links = $state<QuickLink[]>([]);
 
-	constructor() {
-		if (typeof window !== 'undefined') {
-			const saved = localStorage.getItem('ql');
-			if (saved) {
-				this.#links = JSON.parse(saved);
-			}
-		}
-	}
+constructor() {
+        if (typeof window !== 'undefined') {
+            const saved = localStorage.getItem('ql');
+            if (saved) {
+                try {
+                    this.#links = JSON.parse(saved);
+                } catch {
+                    this.#links = [];
+                }
+            }
+        }
+    }
 
 	get list(): QuickLink[] {
 		return this.#links.slice(0, RETURNED_LENGTH);
@@ -53,8 +57,17 @@ class QuickLinksService {
 
 		this.#links = sorted.slice(0, MAX_ENTRIES);
 
-		localStorage.setItem('ql', JSON.stringify(this.#links));
+		if (typeof window !== 'undefined') {
+            localStorage.setItem('ql', JSON.stringify(this.#links));
+        }
 	}
+
+	reset() {
+        this.#links = [];
+        if (typeof window !== 'undefined') {
+            localStorage.removeItem('ql');
+        }
+    }
 }
 
 export const quickLinks = new QuickLinksService();