docs(cw): add note to template about new account (#812)

packages/create-remix/templates/cloudflare-workers/README.md

@@ -25,6 +25,8 @@ If you'd rather run everything in a single tab, you can look at [concurrently](h
 
 Use [wrangler](https://developers.cloudflare.com/workers/cli-wrangler) to build and deploy your application to Cloudflare Workers. If you don't have it yet, follow [the installation guide](https://developers.cloudflare.com/workers/cli-wrangler/install-update) to get it setup. Be sure to [authenticate the CLI](https://developers.cloudflare.com/workers/cli-wrangler/authentication) as well.
 
+If you don't already have an account, then [create a cloudflare account here](https://dash.cloudflare.com/sign-up) and after verifying your email address with Cloudflare, go to your dashboard and set up your free custom Cloudflare Workers subdomain.
+
 Once that's done, you should be able to deploy your app:
 
 ```sh