Add SvelteKit quickstart to homepage

Author: dannykng

apps/docs/pages/index.mdx

@@ -61,7 +61,7 @@ export const meta = {
           <div className="hidden">
           <Button size="small">Get started</Button>
           </div>
-          <div className="grid grid-cols-1 md:grid-cols-3 gap-3 md:gap-6">
+          <div className="grid grid-cols-1 md:grid-cols-4 gap-3 md:gap-6">
             <Link href={`/guides/getting-started/quickstarts/reactjs`} passHref>
               <a className="no-underline">
                 <IconPanel title="ReactJS" icon="/docs/img/icons/react-icon" />
@@ -77,6 +77,11 @@ export const meta = {
             <IconPanel title="Flutter" icon="/docs/img/icons/flutter-icon" />
             </a>
             </Link>
+            <Link href={`/guides/getting-started/quickstarts/sveltekit`} passHref>
+              <a className="no-underline">
+            <IconPanel title="SvelteKit" icon="/docs/img/icons/svelte-icon" />
+            </a>
+            </Link>
           </div>
         </div>
       </div>