Update CHANGELOG.md

Author: radeksimko

CHANGELOG.md

@@ -9,6 +9,10 @@ FEATURES:
  * **New Data Source:**  `aws_db_instance` [GH-11717]
  * **New Resource:**  `aws_elasticsearch_domain_policy` [GH-8648]
  * **New Resource:**  `aws_vpc_peering_connection_accepter` [GH-11505]
+ * **New Resource:** `aws_config_config_rule` [GH-5850]
+ * **New Resource:** `aws_config_configuration_recorder` [GH-5850]
+ * **New Resource:** `aws_config_configuration_recorder_status` [GH-5850]
+ * **New Resource:** `aws_config_delivery_channel` [GH-5850]
 
 IMPROVEMENTS: