Update zip archive download link from README.md

Make the zip archive link point to the custom binary asset
attached to the latest release.

Ref: https://github.com/blog/1547-release-your-software

Author: alrra

README.md

@@ -12,7 +12,7 @@ accessible, if needed, even cross-domain.
 
 There are a few options for getting the Apache server configs:
 
-* Download the [zip archive](https://github.com/h5bp/server-configs-apache/archive/2.9.0.zip)
+* Download the [zip archive](https://github.com/h5bp/server-configs-apache/releases/download/2.9.0/htaccess-2.9.0.zip)
 * Install them via:
     * [npm](https://npmjs.org/): `npm install --save-dev apache-server-configs`
     * [Bower](http://bower.io/): `bower install --save-dev apache-server-configs`