adding note about adding auth to your CI

Author: Shannon Anahata

platform-includes/sourcemaps/overview/javascript.nextjs.mdx

@@ -7,6 +7,8 @@ To automatically upload source maps, you need to provide your Sentry auth token,
 
 <OrgAuthTokenNote />
 
+**Make sure you add your auth token to your CI, if you are using one to deploy your application.** 
+
 Add your auth token to your environment:
 
 ```bash {filename:.env.local}