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/dropdown-menu/dropdown-menu-separator.svelte

@@ -1,16 +1,16 @@
 <script lang="ts">
-	import { DropdownMenu as DropdownMenuPrimitive } from 'bits-ui';
-	import { cn } from '$lib/utils/utils.js';
+    import { DropdownMenu as DropdownMenuPrimitive } from 'bits-ui';
+    import { cn } from '$lib/utils/utils.js';
 
-	let {
-		ref = $bindable(null),
-		class: className,
-		...restProps
-	}: DropdownMenuPrimitive.SeparatorProps = $props();
+    let {
+        ref = $bindable(null),
+        class: className,
+        ...restProps
+    }: DropdownMenuPrimitive.SeparatorProps = $props();
 </script>
 
 <DropdownMenuPrimitive.Separator
-	bind:ref
-	class={cn('bg-muted -mx-1 my-1 h-px', className)}
-	{...restProps}
+    bind:ref
+    class={cn('bg-muted -mx-1 my-1 h-px', className)}
+    {...restProps}
 />