README: fixed an error for rules (#142)

Author: isnolan

README.md

@@ -66,7 +66,7 @@ module.exports = {
         test: /\.js$/,
         exclude: /node_modules/,
         enforce: 'pre',
-        use: [{loader: 'eslint-loader', options: {rules: {semi: 0}}],
+        use: [{loader: 'eslint-loader', options: {rules: {semi: 0}}}],
       },
       // other rules
     ],