fix: add unplugin icons types

src/app.d.ts

@@ -1,5 +1,8 @@
+import 'unplugin-icons/types/svelte';
+
 // See https://svelte.dev/docs/kit/types#app.d.ts
 // for information about these interfaces
+
 declare global {
 	namespace App {
 		// interface Error {}