docs: add Ory to the list of auth libraries (#71295)

Ory: https://www.ory.sh/docs/getting-started/integrate-auth/nextjs
Ory GitHub: https://github.com/ory

---------

Co-authored-by: JJ Kasper <jj@jjsweb.site>

docs/02-app/01-building-your-application/09-authentication/index.mdx

@@ -1646,6 +1646,7 @@ Now that you've learned about authentication in Next.js, here are Next.js-compat
 - [Clerk](https://clerk.com/docs/quickstarts/nextjs)
 - [Kinde](https://kinde.com/docs/developer-tools/nextjs-sdk)
 - [NextAuth.js](https://authjs.dev/getting-started/installation?framework=next.js)
+- [Ory](https://www.ory.sh/docs/getting-started/integrate-auth/nextjs)
 - [Stack Auth](https://docs.stack-auth.com/getting-started/setup)
 - [Supabase](https://supabase.com/docs/guides/getting-started/quickstarts/nextjs)
 - [Stytch](https://stytch.com/docs/guides/quickstarts/nextjs)