minor #107 Initializing the plugins key on babel, so you can call babelConfig.plugins.push() (weaverryan)

This PR was merged into the master branch.

Discussion
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Initializing the plugins key on babel, so you can call babelConfig.plugins.push()

See #100 (comment)

It just makes adding a custom plugin a bit less error-prone for the user.

Commits
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680daad Initializing the plugins key on babel, so you can call babelConfig.plugins.push() if you want

Author: weaverryan

lib/loaders/babel.js

@@ -41,6 +41,7 @@ module.exports = {
                         useBuiltIns: true
                     }]
                 ],
+                plugins: []
             });
 
             if (webpackConfig.useReact) {