[Notifier] Add Expo bridge

Author: zairigimad

Exception/UnsupportedSchemeException.php

@@ -36,6 +36,10 @@ class UnsupportedSchemeException extends LogicException
             'class' => Bridge\Esendex\EsendexTransportFactory::class,
             'package' => 'symfony/esendex-notifier',
         ],
+        'expo' => [
+            'class' => Bridge\Expo\ExpoTransportFactory::class,
+            'package' => 'symfony/expo-notifier',
+        ],
         'fakechat' => [
             'class' => Bridge\FakeChat\FakeChatTransportFactory::class,
             'package' => 'symfony/fake-chat-notifier',

Transport.php

@@ -16,6 +16,7 @@
 use Symfony\Component\Notifier\Bridge\Clickatell\ClickatellTransportFactory;
 use Symfony\Component\Notifier\Bridge\Discord\DiscordTransportFactory;
 use Symfony\Component\Notifier\Bridge\Esendex\EsendexTransportFactory;
+use Symfony\Component\Notifier\Bridge\Expo\ExpoTransportFactory;
 use Symfony\Component\Notifier\Bridge\Firebase\FirebaseTransportFactory;
 use Symfony\Component\Notifier\Bridge\FreeMobile\FreeMobileTransportFactory;
 use Symfony\Component\Notifier\Bridge\GatewayApi\GatewayApiTransportFactory;
@@ -70,6 +71,7 @@ class Transport
         ClickatellTransportFactory::class,
         DiscordTransportFactory::class,
         EsendexTransportFactory::class,
+        ExpoTransportFactory::class,
         FirebaseTransportFactory::class,
         FreeMobileTransportFactory::class,
         GatewayApiTransportFactory::class,