fix error transfer received sms + finish octopush shortcode adapter

adapters/OvhSmsVirtualNumberAdapter.php

@@ -174,7 +174,11 @@ namespace adapters;
          * @param string $text        : Text of the SMS to send
          * @param bool   $flash       : Is the SMS a Flash SMS
          *
-         * @return mixed Uid of the sended message if send, False else
+         * @return array : [
+         *      bool 'error' => false if no error, true else
+         *      ?string 'error_message' => null if no error, else error message
+         *      array 'uid' => Uid of the sms created on success
+         * ]
          */
         public function send(string $destination, string $text, bool $flash = false)
         {