[DCAEGEN2] Add external configmaps

Add config maps which will be used by dcaegen2: ves-open-api and ves component.

Issue-ID: DCAEGEN2-2576
Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>
Change-Id: I4343c0b21c947237fd0069e1f2241c9288240031
diff --git a/kubernetes/dcaegen2/resources/external/schema/rel16/heartbeatNtf.yaml b/kubernetes/dcaegen2/resources/external/schema/rel16/heartbeatNtf.yaml
new file mode 100644
index 0000000..afde506
--- /dev/null
+++ b/kubernetes/dcaegen2/resources/external/schema/rel16/heartbeatNtf.yaml
@@ -0,0 +1,23 @@
+openapi: 3.0.1
+info:
+  title: Heartbeat notification
+  version: 16.3.0
+  description: >-
+    OAS 3.0.1 specification of the heartbeat notification
+    © 2020, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
+    All rights reserved.
+externalDocs:
+  description: 3GPP TS 28.532 V16.3.0; Heartbeat notification
+  url: http://www.3gpp.org/ftp/Specs/archive/28_series/28.6532/
+paths: {}
+components:
+  schemas:
+    hearbeatNtfPeriod-Type:
+      type: integer
+    notifyHeartbeat-NotifType:
+      allOf:
+        - $ref: 'provMnS.yaml#/components/schemas/header-Type'
+        - type: object
+          properties:
+            heartbeatNtfPeriod:
+              $ref: '#/components/schemas/hearbeatNtfPeriod-Type'