prettier: update config

Author: byzyk

.prettierrc

@@ -1,5 +1,5 @@
 {
   "eslintIntegration": true,
-  "semi": false,
-  "singleQuote": true
+  "singleQuote": true,
+  "trailingComma": "es5"
 }

src/index.js

@@ -1,11 +1,11 @@
-const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer')
+const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
 
 function rewireWebpackBundleAnalyzer(config, env, options = {}) {
   config.plugins = (config.plugins || []).concat([
-    new BundleAnalyzerPlugin(options)
-  ])
+    new BundleAnalyzerPlugin(options),
+  ]);
 
-  return config
+  return config;
 }
 
-module.exports = rewireWebpackBundleAnalyzer
+module.exports = rewireWebpackBundleAnalyzer;