style: fix eslint issues

Author: buschtoens

config/ember-try.js

@@ -2,7 +2,7 @@
 
 const getChannelURL = require('ember-source-channel-url');
 
-module.exports = function() {
+module.exports = function () {
   return Promise.all([
     getChannelURL('release'),
     getChannelURL('beta'),

config/environment.js

@@ -1,5 +1,5 @@
 'use strict';
 
-module.exports = function(/* environment, appConfig */) {
+module.exports = function (/* environment, appConfig */) {
   return {};
 };

ember-cli-build.js

@@ -2,7 +2,7 @@
 
 const EmberAddon = require('ember-cli/lib/broccoli/ember-addon');
 
-module.exports = function(defaults) {
+module.exports = function (defaults) {
   const app = new EmberAddon(defaults, {
     // Add options here
   });