notes: pushkin sfdc support

Change-Id: Ic8dbbb33a33144ab4d1c58e751b97c70c9098231
diff --git a/.releasenotes/notes/sfdc-support-995867e00a89add0.yaml b/.releasenotes/notes/sfdc-support-995867e00a89add0.yaml
new file mode 100644
index 0000000..0b4bff4
--- /dev/null
+++ b/.releasenotes/notes/sfdc-support-995867e00a89add0.yaml
@@ -0,0 +1,20 @@
+---
+summary: >
+   Added support for the Push Notifications service to Salesforce.
+
+features:
+  - |
+    Added support for the Push Notification service to Salesforce.
+    To configure the Push Notification service for a SalesForce account,
+    define following variables on the cluster level metadata:
+
+    .. code-block:: yaml
+
+       sfdc_auth_url: https://login.salesforce.com/services/oauth2/token
+       sfdc_username: user@example.net
+       sfdc_password: secret
+       sfdc_consumer_key: example_consumer_key
+       sfdc_consumer_secret: example_consumer_secret
+       sfdc_organization_id: example_organization_id
+       sfdc_sandbox_enabled: True/False
+