Update OOM docs for Casablanca

Updating release notes, Helm and K8s versions and
started documenting use of (un)deploy plugins.

Change-Id: Ia51db5f1489e8d63fd7e1f10e80174eb9f182f0f
Issue-ID: OOM-1497
Signed-off-by: Mike Elliott <mike.elliott@amdocs.com>
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index c87eee0..a54dd79 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -8,6 +8,37 @@
 Release Notes
 =============
 
+Version 3.0.0 Casablanca Release
+--------------------------------
+
+:Release Date: 2018-11-30
+
+Summary
+=======
+
+The focus of this release was on incremental improvements in the following areas:
+- Pluggable persistent storage with support for GlusterFS as the first storage class provisioner
+- CPU and Memory limits in Helm Charts to improve Pod placement based on resource availablity in Kubernetes Cluster
+- Support of Node Selectors for Pod placement
+- Common "shared" Helm Charts referencing common images
+  - mariadb-galera cluster
+  - postgres cluster
+  - cassandra
+  - mysql
+  - mongodb
+- Integration of ARK Backup and Restore solution
+- Introduction of Helm deploy and undeploy plugins to better manage ONAP deployments
+
+
+**Security Notes**
+
+OOM code has been formally scanned during build time using NexusIQ and no Critical vulnerability was found.
+
+Quick Links:
+	- `OOM project page <https://wiki.onap.org/display/DW/ONAP+Operations+Manager+Project>`_
+
+	- `Passing Badge information for OOM <https://bestpractices.coreinfrastructure.org/en/projects/1631>`_
+
 Version 2.0.0 Beijing Release
 -----------------------------