📝 Update readme

Author: gluons

README.md

@@ -4,42 +4,56 @@
 [![npm](https://img.shields.io/npm/dt/gulp-json2cson.svg?style=flat-square)](https://www.npmjs.com/package/gulp-json2cson)
 [![Travis](https://img.shields.io/travis/gluons/gulp-json2cson.svg?style=flat-square)](https://travis-ci.org/gluons/gulp-json2cson)
 
-[Gulp](http://gulpjs.com/) plugin to parse JSON to CSON with [bevry/cson](https://github.com/bevry/cson)
+[Gulp](http://gulpjs.com/) plugin to parse JSON to CSON with [bevry/cson](https://github.com/bevry/cson).
 
-If you want to parse CSON to JSON, use [gulp-cson](https://github.com/stevelacy/gulp-cson)
+If you want to parse CSON to JSON, use [gulp-cson](https://github.com/stevelacy/gulp-cson).
 
 ## Installation
+
 [![NPM](https://nodei.co/npm/gulp-json2cson.png?downloads=true&downloadRank=true&stars=true)](https://www.npmjs.com/package/gulp-json2cson)
+
+**Via [npm](https://www.npmjs.com/):**
+
 ```
 npm install --save-dev gulp-json2cson
 ```
 
+**Via [Yarn](https://yarnpkg.com/):**
+
+```
+yarn add --dev gulp-json2cson
+```
+
 ## Usage
+
 ```javascript
-var gulp = require('gulp');
-var json2cson = require('gulp-json2cson');
+const gulp = require('gulp');
+const json2cson = require('gulp-json2cson');
 
-gulp.task('json2cson', function () {
+gulp.task('json2cson', () => {
 	return gulp.src('src/data.json')
 		.pipe(json2cson())
 		.pipe(gulp.dest('dest'));
 });
-
-gulp.task('default', ['json2cson']);
 ```
+
 ## API
+
 ### json2cson(indent)
-Parse JSON to CSON with indentation.
+
+Parse JSON to CSON with desired indentation.
+
 ```javascript
-var gulp = require('gulp');
-var json2cson = require('gulp-json2cson');
+const gulp = require('gulp');
+const json2cson = require('gulp-json2cson');
 
-gulp.task('json2cson', function () {
+gulp.task('json2cson', () => {
 	return gulp.src('src/data.json')
 		.pipe(json2cson('\t'))
 		.pipe(gulp.dest('dest'));
 });
 ```
+
 #### indent
 Type: `String`  
 Default: `  ` (2 spaces)