Add 2.16 notes (#1980) (#1986)

* Add 2.16 notes



* Fix unknown PRs



* Update bug section



---------


(cherry picked from commit 0379d05)

Signed-off-by: Simeon Widdis <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

release-notes/dashboards-observability.release-notes-2.16.0.0.md

@@ -0,0 +1,24 @@
+## Version 2.16.0 Release Notes
+
+Compatible with OpenSearch and OpenSearch Dashboards version 2.16.0
+
+### Features
+* replace dashboards with the getting started dashboards ([#1963](https://github.com/opensearch-project/dashboards-observability/pull/1963))
+* Observability Overview and GettingStarted ([#1957](https://github.com/opensearch-project/dashboards-observability/pull/1957))
+* Version-decoupling for Observability ([#1953](https://github.com/opensearch-project/dashboards-observability/pull/1953))
+* Remove integrations from new NavGroups ([#1950](https://github.com/opensearch-project/dashboards-observability/pull/1950))
+* Add mds support for routers and fix the missing `callAsCurrentUser` ([#1942](https://github.com/opensearch-project/dashboards-observability/pull/1942))
+* added changes for moving notebooks to .kibana ([#1937](https://github.com/opensearch-project/dashboards-observability/pull/1937))
+* Register all plugins to NavGroups ([#1926](https://github.com/opensearch-project/dashboards-observability/pull/1926))
+* Remove duplicate description for create s3 datasource flow ([#1915](https://github.com/opensearch-project/dashboards-observability/pull/1915))
+
+### Bug Fixes
+* Add toast message for getting started / Fix Nav Bug for Traces ([#1977](https://github.com/opensearch-project/dashboards-observability/pull/1977))
+* Unregister observability datasource from old and new nav group ([#1972](https://github.com/opensearch-project/dashboards-observability/pull/1972))
+* UX copy changes for Notebooks with MDS ([#1971](https://github.com/opensearch-project/dashboards-observability/pull/1971))
+* fix minor issues in query assist UI ([#1939](https://github.com/opensearch-project/dashboards-observability/pull/1939))
+* Trace analytics scroll bar reset ([#1917](https://github.com/opensearch-project/dashboards-observability/pull/1917))
+* #1466 - create observability dashboard after invalid name ([#1730](https://github.com/opensearch-project/dashboards-observability/pull/1730))
+
+### Maintenance
+* updated java version from 11 to 21 ([#1940](https://github.com/opensearch-project/dashboards-observability/pull/1940))