Merge pull request #7 from kbrock/readme_docs

Help users understand how to deploy this app

README.md

@@ -2,3 +2,17 @@
 
 A shard is what we call a crystal libraries, and this is the website that lists
 them all.
+
+# Deploying to Heroku
+
+To experiment with this, you can post this to your own heroku site.
+
+You can read about [Deploying to Heroku] or just follow these steps:
+
+```bash
+NAME=crystal-shards-demo
+heroku create $NAME --buildpack https://github.com/zamith/heroku-buildpack-crystal
+git push heroku master
+```
+
+[Deploying to Heroku]: https://subvisual.co/blog/posts/63-deploying-a-crystal-application-to-heroku