Update +page.svelte

Author: baseplate-admin

src/routes/icons/usage/+page.svelte

@@ -83,9 +83,10 @@ export default function RootLayout({
 	Here is how to use it with different frameworks:
 
 	<div role="tablist" class="tabs tabs-lift overflow-x-scroll pt-5 text-white">
-		{#each installation_mapping as item, idx}
+		{#each installation_mapping as item}
+			{@const is_first = item === installation_mapping.at(0)}
 			<input
-				checked={idx === 0}
+				checked={is_first}
 				type="radio"
 				name="code_items"
 				role="tab"