chore: add export/import

src/shared/ui/index.ts

@@ -13,4 +13,5 @@ export { default as SearchBar } from './SearchBar/SearchBar.svelte';
 export { default as Section } from './Section/Section.svelte';
 export { default as Skeleton } from './Skeleton/Skeleton.svelte';
 export { default as Slider } from './Slider/Slider.svelte';
+export { default as SmoothScroll } from './SmoothScroll/SmoothScroll.svelte';
 export { default as VirtualList } from './VirtualList/VirtualList.svelte';