Update README.md

Author: PanJiaChen

README.md

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-# vue-countTo
+# vue-countTo    [![vue2](https://img.shields.io/badge/vue-2.x-brightgreen.svg)](https://vuejs.org/) [![Gemnasium](https://img.shields.io/gemnasium/mathiasbynens/he.svg)](https://github.com/PanJiaChen/vue-countTo) [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/PanJiaChen/vue-countTo) [![npm](https://img.shields.io/npm/v/vue-count-to.svg)](https://www.npmjs.com/package/vue-count-to)
+
 vue-countTo is a dependency-free, lightweight vue component that can be overwrited  easingFn by yourself.
 You can set startVal and endVal ,it will automatic judge count up or count down.
 It is learn from countUp.js;