docs: refactor table of content style (#1069)

>  Tiny visual upgrade to the TOC, feels cleaner than the default.

## Before:
<img width="305" height="494" alt="Screenshot 2025-10-17 at 3 20 25 PM"
src="https://github.com/user-attachments/assets/9b4d2392-5975-408c-8790-5ad0b86e63f5"
/>

## After:
<img width="305" height="488" alt="Screenshot 2025-10-17 at 3 20 32 PM"
src="https://github.com/user-attachments/assets/5c142af1-45f1-4fbc-b2a6-327ecab096da"
/>

Author: geekyharsh05

packages/marketing/app/docs/[[...slug]]/page.tsx

@@ -11,7 +11,7 @@ export default async function Page(props: { params: Promise<{ slug?: string[] }>
   const MDX = page.data.body;
 
   return (
-    <DocsPage toc={page.data.toc} full={page.data.full}>
+    <DocsPage toc={page.data.toc} tableOfContent={{style: "clerk"}} full={page.data.full}>
       <DocsTitle>{page.data.title}</DocsTitle>
       <DocsDescription>{page.data.description}</DocsDescription>
       <DocsBody>