Add changelog and TOC entries for dyn groups

Author: kilokahn

CHANGELOG.md

@@ -3,6 +3,11 @@ All notable changes to this project are documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
+## 2.1.10 - 2018-05-24
+
+### Added
+- Added support for dynamic groups. More details can be found [here](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/dynamic_groups.md).
+
 ## 2.1.9 - 2018-05-17
 
 ### Added

docs/Table of Contents.md

@@ -53,6 +53,7 @@ This lists all of the available OCI resources and/or data sources.
     * [Availability Domains](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/availability_domains.md)
     * [Compartments](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/compartments.md)
     * [Customer Secret Keys](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/customer_secret_keys.md)
+    * [Dynamic Groups](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/dynamic_groups.md)
     * [Groups](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/groups.md)
     * [Policies](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/policies.md)
     * [Regions](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/regions.md)