Update README.md

Author: AbdullahDiaa

README.md

@@ -1,3 +1,6 @@
+[![Build
+Status](https://travis-ci.org/pushbots/pushbots-php.svg?branch=master)](https://travis-ci.org/pushbots/pushbots-php)
+
 ## pushbots-php
 
 > Official PHP package for PushBots
@@ -53,4 +56,4 @@ Changelog
 -------------
 
 Version 1.0.0
- * Release PushBots PHP package
+ * Release PushBots PHP package