Merge pull request #1364 from phalcon/discord-shield

Add Discord Shield into README.md

Author: Jeckerson

README.md

@@ -1,5 +1,6 @@
 # Phalcon Devtools
 
+[![Discord](https://img.shields.io/discord/310910488152375297?label=Discord)](http://phalcon.link/discord)
 [![Latest Version](https://img.shields.io/packagist/v/phalcon/devtools.svg?style=flat-square)][:devtools:]
 [![Software License](https://img.shields.io/badge/license-BSD--3-brightgreen.svg?style=flat-square)][:license:]
 [![Total Downloads](https://img.shields.io/packagist/dt/phalcon/devtools.svg?style=flat-square)][:packagist:]