Updated readme file

Author: digitalhuman

README.md

@@ -10,6 +10,7 @@ PHP Library for Mastodon REST API
 * Get user information
 * Get user followers and following
 * Get user status
+* Post status update
 
 
 ## Installation using Composer
@@ -91,4 +92,11 @@ $statusses = $t->authenticate("vangelier@hotmail.com", "MySecretP@ssW0rd")
                 ->getStatuses();
 
 
+/**
+* Post status update
+*/
+
+$status = $t->authenticate("vangelier@hotmail.com", "MySecretP@ssW0rd")
+            ->postStatus("Text status update");
+
 ```