docs: make ELB zip URL and <a> tag

This makes it easier to download new versions. :)

docs/operations-guide/running-metabase-on-elastic-beanstalk.md

@@ -179,7 +179,7 @@ Here's each step:
 1. Go to Elastic Beanstalk and select your `Metabase` application
 * Click on `Application Versions` on the left nav (you can also choose `Application Versions` from the dropdown at the top of the page)
 * Download the latest Metabase Elastic Beanstalk deployment file
-  * http://downloads.metabase.com/{{ site.latest_version }}/metabase-aws-eb.zip
+  * [http://downloads.metabase.com/{{ site.latest_version }}/metabase-aws-eb.zip](http://downloads.metabase.com/{{ site.latest_version }}/metabase-aws-eb.zip)
 * Upload a new Application Version
 	* Click the `Upload` button on the upper right side of the listing
 		* Give the new version a name, ideally including the Metabase version number (e.g. {{ site.latest_version }})