Workaround for eslint-plugin-import #718

We need to disable the `import/named` eslint rule when importing, to
work around #718 in eslint-plugin-import.

import-js/eslint-plugin-import#718

Author: cjolowicz

src/server/index.js

@@ -1,6 +1,7 @@
 // @flow
 import 'dotenv/config';
 
+// eslint-disable-next-line import/named
 import { NODE_ENV } from '../constants';
 import app from './app';