docs(README): use strong equality operator in example (#344)

iMaximal · michael-ciniawsky · commit 1e0cade20890 · 2018-03-16T12:10:18.000+01:00
diff --git a/README.md b/README.md
@@ -175,7 +175,7 @@ module.exports = ({ file, options, env }) => ({
   plugins: {
     'postcss-import': { root: file.dirname },
     'postcss-cssnext': options.cssnext ? options.cssnext : false,
-    'autoprefixer': env == 'production' ? options.autoprefixer : false,
+    'autoprefixer': env === 'production' ? options.autoprefixer : false,
     'cssnano': env === 'production' ? options.cssnano : false
   }
 })

Original file line number	Diff line number	Diff line change
`@@ -175,7 +175,7 @@ module.exports = ({ file, options, env }) => ({`
`175`	`175`	`plugins: {`
`176`	`176`	`'postcss-import': { root: file.dirname },`
`177`	`177`	`'postcss-cssnext': options.cssnext ? options.cssnext : false,`
`178`		`- 'autoprefixer': env == 'production' ? options.autoprefixer : false,`
	`178`	`+ 'autoprefixer': env === 'production' ? options.autoprefixer : false,`
`179`	`179`	`'cssnano': env === 'production' ? options.cssnano : false`
`180`	`180`	`}`
`181`	`181`	`})`