add gzip size

Author: hustcc

README-zh.md

@@ -5,6 +5,7 @@
 [![npm](https://img.shields.io/badge/demo-online-brightgreen.svg)](https://git.hust.cc/canvas-nest.js)
 [![npm](https://img.shields.io/npm/v/canvas-nest.js.svg)](https://www.npmjs.com/package/canvas-nest.js)
 [![npm](https://img.shields.io/npm/dm/canvas-nest.js.svg)](https://www.npmjs.com/package/canvas-nest.js)
+[![gzip](http://img.badgesize.io/https://unpkg.com/canvas-nest.js/dist/canvas-nest.js?compression=gzip)](https://unpkg.com/canvas-nest.js/dist/canvas-nest.js)
 
 > **npm i --save canvas-nest.js**
 

README.md

@@ -5,6 +5,7 @@
 [![npm](https://img.shields.io/badge/demo-online-brightgreen.svg)](https://git.hust.cc/canvas-nest.js)
 [![npm](https://img.shields.io/npm/v/canvas-nest.js.svg)](https://www.npmjs.com/package/canvas-nest.js)
 [![npm](https://img.shields.io/npm/dm/canvas-nest.js.svg)](https://www.npmjs.com/package/canvas-nest.js)
+[![gzip](http://img.badgesize.io/https://unpkg.com/canvas-nest.js/dist/canvas-nest.js?compression=gzip)](https://unpkg.com/canvas-nest.js/dist/canvas-nest.js)
 
 > **npm i --save canvas-nest.js**