Add ember-data to the blueprint

Author: barryofguilder

blueprints/ember-cli-addon-docs/index.js

@@ -19,6 +19,7 @@ module.exports = {
         'ember-cli-deploy-build',
         'ember-cli-deploy-git',
         'ember-cli-deploy-git-ci',
+        'ember-data',
       ],
     });
   },