Change shield badge to flat square

Author: kevinongko

README.md

@@ -1,11 +1,11 @@
 # vue-numeric
 
-[![npm](https://img.shields.io/npm/v/vue-numeric.svg)](https://www.npmjs.com/package/vue-numeric)
-[![npm](https://img.shields.io/npm/dt/vue-numeric.svg)](https://www.npmjs.com/package/vue-numeric)
-[![npm](https://img.shields.io/npm/dm/vue-numeric.svg)](https://www.npmjs.com/package/vue-numeric)
-[![Build Status](https://travis-ci.org/kevinongko/vue-numeric.svg?branch=master)](https://travis-ci.org/kevinongko/vue-numeric)
-[![Codecov](https://img.shields.io/codecov/c/github/kevinongko/vue-numeric.svg)](https://codecov.io/gh/kevinongko/vue-numeric)
-[![npm](https://img.shields.io/npm/l/vue-numeric.svg)](http://opensource.org/licenses/MIT)
+[![npm](https://img.shields.io/npm/v/vue-numeric.svg?style=flat-square)](https://www.npmjs.com/package/vue-numeric)
+[![npm](https://img.shields.io/npm/dt/vue-numeric.svg?style=flat-square)](https://www.npmjs.com/package/vue-numeric)
+[![npm](https://img.shields.io/npm/dm/vue-numeric.svg?style=flat-square)](https://www.npmjs.com/package/vue-numeric)
+[![Build Status](https://img.shields.io/travis/kevinongko/vue-numeric.svg?style=flat-square)](https://travis-ci.org/kevinongko/vue-numeric)
+[![Codecov](https://img.shields.io/codecov/c/github/kevinongko/vue-numeric.svg?style=flat-square)](https://codecov.io/gh/kevinongko/vue-numeric)
+[![npm](https://img.shields.io/npm/l/vue-numeric.svg?style=flat-square)](http://opensource.org/licenses/MIT)
 
 Input field component to display a formatted currency value based on [Vue](https://vuejs.org/).