Enable Virtlet Addon for Kubernetes

Enable virtlet addon for kubernetes deployment.

Change-Id: Ifd0cb2e01d46d21689ce7afb247b2614271731ac
Initiative: PROD-10135
Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
diff --git a/README.rst b/README.rst
index c162851..bf93fdb 100644
--- a/README.rst
+++ b/README.rst
@@ -61,6 +61,22 @@
             calico_policy:
               enabled: true
 
+Enable virtlet addon
+
+.. code-block:: yaml
+
+    parameters:
+      kubernetes:
+        master:
+          addons:
+            virtlet:
+              enabled: true
+              namespace: kube-system
+              hosts:
+              - cmp01
+              - cmp02
+              image: mirantis/virtlet:latest
+
 Enable netchecker addon
 
 .. code-block:: yaml