Implement KMS client (#1161)

* Implement KMS client

* Added `ListAliases`

* Fixed docs

* Added CreateKey / CreateAlias and functionnal tests

Co-authored-by: Jérémy Derussé <jeremy@derusse.com>

Author: GrahamCampbell

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Added
+
+- Support for KMS
+
 ## 1.6.0
 
 ### Added

src/DependencyInjection/AwsPackagesProvider.php

@@ -65,6 +65,10 @@ public static function getAllServices(): array
                 'class' => \AsyncAws\Kinesis\KinesisClient::class,
                 'package' => 'async-aws/kinesis',
             ],
+            'kms' => [
+                'class' => \AsyncAws\Kms\KmsClient::class,
+                'package' => 'async-aws/kms',
+            ],
             'lambda' => [
                 'class' => \AsyncAws\Lambda\LambdaClient::class,
                 'package' => 'async-aws/lambda',