fix: remove broken type export to prevent runtime import errors

Author: TutorLatin

src/lib/index.js

@@ -1,2 +1 @@
-export * from './types.js';
 export { default } from './VirtualList.svelte';

src/lib/index.ts

@@ -0,0 +1,2 @@
+export type * from './types.d.ts';
+export { default } from './VirtualList.svelte';