update spacing with tabs

Author: LadyBluenotes

src/routes/getting-started/installation.mdx

@@ -100,7 +100,10 @@ Create the source directory and core application files:
 mkdir src
 ```
 
-Create `src/index.jsx`:
+Once the `src` directory is created, you can create the following files:
+- `src/index.jsx` - Application entry point
+- `src/App.jsx` - Root component
+- `src/index.css` - Global styles
 
 ```jsx tab title="src/index.jsx"
 /* @refresh reload */

src/ui/tabs.tsx

@@ -13,7 +13,7 @@ export type TabsProps = PolymorphicProps<
 >;
 
 export function Tabs(props: TabsProps) {
-	return <KobalteTabs {...props} />;
+	return <KobalteTabs class="mt-6" {...props} />;
 }
 
 export type TabListProps = PolymorphicProps<