Correct git command for adding changed files during release

Author: robmadole

DEVELOPMENT.md

@@ -19,7 +19,7 @@ test        | Execute unit tests
 1. `npm publish`
 1. `npm pack`
 1. `CLOUDSMITH_API_KEY=API_TOKEN cloudsmith upload npm fortawesome/fontawesome-pro ./fortawesome-vue-fontawesome-VERSION.tgz`
-1. `git add index.js index.es.js`
+1. `git add .`
 1. `git commit -a -m 'Release VERSION'`
 1. `git push`
 1. Create a [new release](https://github.com/FortAwesome/vue-fontawesome/releases/new) with CHANGELOG details