WIP copy changes (#1)

examples/cms-sanity/README.md

@@ -2,6 +2,11 @@
 
 This example showcases Next.js's [Static Generation](https://nextjs.org/docs/basic-features/pages) feature using [Sanity](https://www.sanity.io/) as the data source.
 
+You'll get:
+- Sanity Studio running on localhost
+- Sub-second as-you-type previews in Next.js
+
+
 ## Demo
 
 ### [https://next-blog-sanity.vercel.app/](https://next-blog-sanity.vercel.app/)
@@ -189,3 +194,9 @@ To deploy your local project to Vercel, push it to GitHub/GitLab/Bitbucket and [
 Alternatively, you can deploy using our template by clicking on the Deploy button below.
 
 [![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/git/external?repository-url=https://github.com/vercel/next.js/tree/canary/examples/cms-sanity&project-name=cms-sanity&repository-name=cms-sanity&env=NEXT_PUBLIC_SANITY_PROJECT_ID,SANITY_API_TOKEN,SANITY_PREVIEW_SECRET&envDescription=Required%20to%20connect%20the%20app%20with%20Sanity&envLink=https://vercel.link/cms-sanity-env)
+
+#### Next steps
+
+- Invalidate your routes in production on-demand with GROQ powered webhooks
+- Mount your preview inside the Sanity Studio for comfortable side-by-side editing
+