style: Apply Prettier formatting with 4-space indentation

Applied consistent code formatting across the project using Prettier, now configured to use 4-space indentation instead of tabs.

src/lib/components/ui/input/index.js

@@ -1,7 +1,7 @@
 import Root from './input.svelte';
 
 export {
-	Root,
-	//
-	Root as Input
+    Root,
+    //
+    Root as Input
 };