Openapi file and RTD update

- Step-1 and 2 of the release process

Issue-ID: CPS-1771
Change-Id: I2c5f2f04fdf6344c788aa47a82090b2b37d1505f
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index e8eb018..8ceb616 100755
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -42,6 +42,9 @@
 
 Features
 --------
+    - `CPS-1515 <https://jira.onap.org/browse/CPS-1515>`_ Support Multiple CM-Handles for NCMP Get Operation
+    - `CPS-1675 <https://jira.onap.org/browse/CPS-1675>`_ Persistence write performance improvement(s)
+    - `CPS-1745 <https://jira.onap.org/browse/CPS-1745>`_ Upgrade to Openapi 3.0.3
 
 Version: 3.3.2
 ==============