extend examples with all components

src/lib/PinInput.svelte

@@ -15,7 +15,7 @@
 		length: number;
 		required?: boolean;
 		name: string;
-		value: string;
+		value?: string;
 		oncomplete?: (value: string) => void;
 		onchange?: (value: string) => void;
 	} = $props();