Add notice to Tailwind CSS blog post about bundled configuration (#849)

* Add notice to Tailwind CSS blog post about bundled configuration

Closes: #785

* Adjust wording

bridgetown-website/src/_posts/2020/2020-05-07-postcss-tailwind-plugins-oh-my.md

@@ -5,12 +5,17 @@ author: jared
 category: news
 ---
 
+{%@ Note type: :warning do %}
+  #### This post is a bit outdated!
+  Since writing this post, automations were added to Bridgetown. To start using Tailwind CSS with Bridgetown, check out the [community-maintained automation](https://github.com/bridgetownrb/tailwindcss-automation).
+{% end %}
+
 Personally, [I'm a Bulma man myself](https://bulma.io), but I understand there are a ton of you out there who love [Tailwind CSS](https://tailwindcss.com) and won't give it up until they pry it out of your cold, dead hands.
 
 So I'm pleased as Ruby-colored punch to [highlight this breezy tutorial by Andrew Mason][andrewm-blog] all about how you can quickly and easily set up a new Bridgetown website with Tailwind CSS and PostCSS.
 
 From the [article][andrewm-blog]:
-									 
+
 > If you have had Ruby/Rails/Jekyll experience, you should feel right at home with Bridgetown. Bridgetown also removes the barrier to entry for integrating webpack and all the goodies the JavaScript community has to offer.
 
 [andrewm-blog]: https://andrewm.codes/blog/build-and-deploy-a-static-site-with-ruby-bridgetown-tailwindcss-and-netlify/