Adds v2.0.1 release notes (opensearch-project#1744)

Signed-off-by: Tommy Markley <[email protected]>

Author: Tommy Markley

release-notes/opensearch-dashboards.release-notes-2.0.1.md

@@ -0,0 +1,9 @@
+## Version 2.0.1 Release Notes
+
+### 🐛 Bug Fixes
+* [Bug] Fixes WMS can't load error when unable access maps services ([#1550](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/1550))
+* [Bug] Fixes the header loading spinner position in Firefox ([#1570](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/1570))
+* [Bug] Fixes metric vizualization cut off text ([#1650](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/1650))
+
+### 🛠 Maintenance
+* Removes duplicate var in opensearch-dashboards-docker ([#1649](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/1649))