[Notifier] Add GatewayApi bridge

Author: PGLongo

Exception/UnsupportedSchemeException.php

@@ -88,6 +88,10 @@ class UnsupportedSchemeException extends LogicException
             'class' => Bridge\Discord\DiscordTransportFactory::class,
             'package' => 'symfony/discord-notifier',
         ],
+        'gatewayapi' => [
+            'class' => Bridge\GatewayApi\GatewayApiTransportFactory::class,
+            'package' => 'symfony/gatewayapi-notifier',
+        ],
     ];
 
     /**

Transport.php

@@ -15,6 +15,7 @@
 use Symfony\Component\Notifier\Bridge\Esendex\EsendexTransportFactory;
 use Symfony\Component\Notifier\Bridge\Firebase\FirebaseTransportFactory;
 use Symfony\Component\Notifier\Bridge\FreeMobile\FreeMobileTransportFactory;
+use Symfony\Component\Notifier\Bridge\GatewayApi\GatewayApiTransportFactory;
 use Symfony\Component\Notifier\Bridge\Infobip\InfobipTransportFactory;
 use Symfony\Component\Notifier\Bridge\Iqsms\IqsmsTransportFactory;
 use Symfony\Component\Notifier\Bridge\Mattermost\MattermostTransportFactory;
@@ -64,6 +65,7 @@ class Transport
         EsendexTransportFactory::class,
         SendinblueTransportFactory::class,
         DiscordTransportFactory::class,
+        GatewayApiTransportFactory::class,
     ];
 
     private $factories;