Update badges

README.md

@@ -3,10 +3,11 @@
 </p>
 
 <p align="center">
-  <a href="https://github.com/styd/apexcharts.rb/blob/master/LICENSE"><img src="https://img.shields.io/badge/License-MIT-brightgreen.svg" alt="License"></a>
+  <a href="https://rubygems.org/gems/apexcharts"><img src="https://img.shields.io/gem/v/apexcharts.svg?label=apexcharts" alt="Gem Version" /></a>
   <a href="https://travis-ci.org/styd/apexcharts.rb"><img src="https://travis-ci.org/styd/apexcharts.rb.svg?branch=master" alt="Build Status" /></a>
   <a href="https://rubygems.org/gems/apexcharts"><img alt="Downloads" src="https://img.shields.io/gem/dt/apexcharts"></a>
-  <a href="https://rubygems.org/gems/apexcharts"><img src="https://badge.fury.io/rb/apexcharts.svg" alt="Gem Version" /></a>
+  <img src="https://img.shields.io/github/commit-activity/m/styd/apexcharts.rb.svg?label=commits" alt="Commits" />
+  <a href="https://github.com/styd/apexcharts.rb/blob/master/LICENSE"><img src="https://img.shields.io/badge/License-MIT-brightgreen.svg" alt="License"></a>
   <a href="https://codeclimate.com/github/styd/apexcharts.rb/maintainability"><img src="https://api.codeclimate.com/v1/badges/07a4f59e67abfeae21cb/maintainability" /></a>
   <a href='https://coveralls.io/github/styd/apexcharts.rb?branch=master'><img src='https://coveralls.io/repos/github/styd/apexcharts.rb/badge.svg?branch=master' alt='Coverage Status' /></a>
 </p>