[COMMON][DOC] Add documentation for Montral and GatewayAPI

Add override file to use GatewayAPI as Ingress provider
A precreated GW named "common-gateway" is used.
Added documentation for Montreal like release notes,
Infrastructure guides...

Issue-ID: OOM-3184
Issue-ID: OOM-3242

Change-Id: I18107bac52abf34dbc0b217fd8b7542ba51aab84
Signed-off-by: Andreas Geissler <andreas-geissler@telekom.de>
diff --git a/docs/sections/release_notes/release-notes.rst b/docs/sections/release_notes/release-notes.rst
index ed8957b..0df9483 100644
--- a/docs/sections/release_notes/release-notes.rst
+++ b/docs/sections/release_notes/release-notes.rst
@@ -11,6 +11,7 @@
 Previous Release Notes
 ======================
 
+- :ref:`London <release_notes_london>`
 - :ref:`Kohn <release_notes_kohn>`
 - :ref:`Jakarta <release_notes_jakarta>`
 - :ref:`Istanbul <release_notes_istanbul>`
@@ -26,7 +27,7 @@
 Abstract
 ========
 
-This document provides the release notes for the London release.
+This document provides the release notes for the Montreal release.
 
 Summary
 =======
@@ -43,10 +44,10 @@
 | **Docker images**                    | N/A                                  |
 |                                      |                                      |
 +--------------------------------------+--------------------------------------+
-| **Release designation**              | London                               |
+| **Release designation**              | Montreal                             |
 |                                      |                                      |
 +--------------------------------------+--------------------------------------+
-| **Release date**                     | 2023/06/xx                           |
+| **Release date**                     | 2023/12/xx                           |
 |                                      |                                      |
 +--------------------------------------+--------------------------------------+
 
@@ -55,39 +56,27 @@
 
 * Introduction of "Production" ONAP setup, including:
 
-  * Istio Service Mesh based deployment
-  * Ingress (Istio-Gateway) deployment and usage as standard external access method
-  * Internal Security provided by ServiceMesh and Component2Component AuthorizationPolicies
-  * External Security by introducing AuthN/Z using Keycloak and OAuth2Proxy for Ingress Access
+  * Besides the Istio Ingress APIs now the support for `Gateway-API`_
+    is added to the templates, which includes:
 
-* Removal of unsupported components (AAF, Portal, Contrib,...)
+    * TCP Routes
+    * UDP Routes
+
 * Update of Helmcharts to use common templates and practices
-* Optional support for Cassandra 4.x using k8ssandra-operator
-
-* `REQ-1349 <https://jira.onap.org/browse/REQ-1349>`_ Removal of AAF.
-  Internal communication encryption and authorization is offered by ServiceMesh
-
-* `REQ-1350 <https://jira.onap.org/browse/REQ-1350>`_ All component must be
-  able to run without MSB. Component helm charts modified to use MSB optionally
-  and test the components during Daily and Gating with and without MSB
-
-* `REQ-1351 <https://jira.onap.org/browse/REQ-1351>`_ External secure
-  communication only via Ingress.
-  Ingress resources created by templates and Ingress installation is described
-  in the OOM documents
+* Default support for Cassandra 4.x using k8ssandra-operator
+* Default support for MariaDB 11.x using mariadb-operator
 
 **Bug fixes**
 
 A list of issues resolved in this release can be found here:
-https://jira.onap.org/projects/OOM/versions/11500
+https://jira.onap.org/projects/OOM/versions/11501
 
 **Known Issues**
 
 * Components not working under ServiceMesh
 
-  * CDS UI
   * SO Monitor UI
-  * CLI
+  * Policy UI
 
 Deliverables
 ------------
@@ -113,9 +102,6 @@
 Known Vulnerabilities
 ---------------------
 
-* Cassandra version needs to be updated to support new Python version
-  see `OOM-2900 <https://jira.onap.org/browse/OOM-2900>`_
-  In London supported as option (using k8ssandra-operator), see :ref:`oom_base_optional_addons`
 
 Workarounds
 -----------
@@ -140,3 +126,4 @@
 .. _`ONAP Wiki Page`: https://wiki.onap.org
 .. _`ONAP Documentation`: https://docs.onap.org
 .. _`ONAP Release Downloads`: https://git.onap.org
+.. _`Gateway-API`: https://istio.io/latest/docs/tasks/traffic-management/ingress/gateway-api/