Indicate that structured messages is not available for Twitter (#262)

Author: GCorbel

docs/interactions/structured-messages/index.md

@@ -38,7 +38,7 @@ RingCX Digital provides an omnichannel API to create structured messages. Since
   | **RingCX Android Messaging** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | N/A | N/A | N/A | N/A | N/A |
   | **Google Business Messages** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | N/A | N/A | N/A | N/A | N/A |
   | **Channel SDK** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | N/A | N/A | N/A | N/A | N/A |
-  | **Twitter Direct Messages** | **<span style="color:orange">Not yet</span>** | **<span style="color:orange">Not yet</span>** | **<span style="color:orange">Not yet</span>** | N/A | N/A | N/A | N/A | N/A | N/A |
+  | **Twitter Direct Messages** | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
   | **Viber** | **<span style="color:orange">Not yet</span>** | **<span style="color:orange">Not yet</span>** | **<span style="color:orange">Not yet</span>** | **<span style="color:orange">Not yet</span>** | N/A | N/A | N/A | N/A | N/A |
   | **WhatsApp** | N/A | N/A | **<span style="color:green">Yes</span>** | N/A | **<span style="color:green">Yes</span>** | N/A | N/A | N/A | N/A |
   | **Instagram Messaging** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | **<span style="color:green">Yes</span>** | N/A | N/A | N/A |N/A | N/A |