README update to include links to current examples

Author: leggetter

README.md

@@ -1,6 +1,6 @@
 # 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, handling an incoming SMS webhook or making a Text to Speech call.
+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.
 
 ## Configure with Your Nexmo API Keys
 
@@ -11,14 +11,37 @@ For some of the examples you will need to [buy a number](https://dashboard.nexmo
 
 ## Examples
 
+### SMS
+
+| Code Sample                              |
+| ---------------------------------------- |
+| [Send an SMS](sms/send-sms.php)   |
+| [Receive an SMS](sms/receive-sms.php) |
+| [Receive a Delivery Receipt](sms/receive-delivery-receipt.php)     |
+
 ### Voice
 
-* [Text to Speech outbound call](voice/text-to-speech-outbound.php)
+| Code Sample                              |
+| ---------------------------------------- |
+| [Make a Phone Call](voice/text-to-speech-outbound.php)      |
+| [Receive a Phone Call](voice/text-to-speech-inbound.php) |
+| [Play Text-to-Speech](voice/text-to-speech-inbound.php) |
+| [Connect a Call](voice/connect-a-call.php)   |
+
+### Verify
+
+| Code Sample                              |
+| ---------------------------------------- |
+| TODO |
+
+
 
 ## Request More Examples
 
 Please [raise an issue](/../../issues/) to request an example that isn't present within the quickstart. Pull requests will be gratefully received.
 
 ## Licenses
 
-- The code samples in this repo is under [MIT](LICENSE)
+- The code samples in this repo is under [MIT](LICENSE)
+
+  ​