Adding links to other quickstarts

Fixes #1

Author: leggetter

README.md

@@ -1,6 +1,8 @@
 # Nexmo APIs Quickstart Examples for PHP
 
-The purpose of the quickstart guide is to provide simple examples focused on one goal. For example, sending an SMS, receiving an SMS via an incoming SMS webhook or making a Text to Speech call.
+The purpose of the quickstart guide is to provide simple PHP examples focused on one goal. For example, sending an SMS, receiving an SMS via an incoming SMS webhook or making a Text to Speech call.
+
+Quickstarts also available for: [Java](https://github.com/nexmo-community/nexmo-java-quickstart), [.NET](https://github.com/nexmo-community/nexmo-dotnet-quickstart), [Node.js](https://github.com/nexmo-community/nexmo-node-quickstart), [Python](https://github.com/nexmo-community/nexmo-python-quickstart), [Ruby](https://github.com/nexmo-community/nexmo-ruby-quickstart)
 
 ## Configure with Your Nexmo API Keys