Add RabbitMQ to aws_mq_configuration_invalid_engine_type rule (#168)

Author: wata727

rules/aws_mq_configuration_invalid_engine_type.go

@@ -19,6 +19,7 @@ func NewAwsMqConfigurationInvalidEngineTypeRule() *AwsMqConfigurationInvalidEngi
 		attributeName: "engine_type",
 		enum: []string{
 			"ActiveMQ",
+			"RabbitMQ",
 		},
 	}
 }