[Notifier] add RocketChat bridge

Author: Jeroeny

Exception/UnsupportedSchemeException.php

@@ -38,6 +38,10 @@ class UnsupportedSchemeException extends LogicException
             'class' => Bridge\Nexmo\NexmoTransportFactory::class,
             'package' => 'symfony/nexmo-notifier',
         ],
+        'rocketchat' => [
+            'class' => Bridge\RocketChat\RocketChatTransportFactory::class,
+            'package' => 'rocketchat-notifier',
+        ],
         'twilio' => [
             'class' => Bridge\Twilio\TwilioTransportFactory::class,
             'package' => 'symfony/twilio-notifier',

Transport.php

@@ -13,6 +13,7 @@
 
 use Symfony\Component\Notifier\Bridge\Mattermost\MattermostTransportFactory;
 use Symfony\Component\Notifier\Bridge\Nexmo\NexmoTransportFactory;
+use Symfony\Component\Notifier\Bridge\RocketChat\RocketChatTransportFactory;
 use Symfony\Component\Notifier\Bridge\Slack\SlackTransportFactory;
 use Symfony\Component\Notifier\Bridge\Telegram\TelegramTransportFactory;
 use Symfony\Component\Notifier\Bridge\Twilio\TwilioTransportFactory;
@@ -39,6 +40,7 @@ class Transport
         TelegramTransportFactory::class,
         MattermostTransportFactory::class,
         NexmoTransportFactory::class,
+        RocketChatTransportFactory::class,
         TwilioTransportFactory::class,
     ];