Add README note about dormant state and potential archiving

README.md

@@ -1,6 +1,9 @@
 # TileDB-Spark
 ![TileDB-Spark CI](https://github.com/TileDB-Inc/TileDB-Spark/actions/workflows/github_actions.yml/badge.svg)
 
+> [!IMPORTANT]
+> As of Sep 2024, TileDB-Spark is in dormant state, and may be archived in the near future. Please [contact us](mailto:[email protected]) if you would like to share your use-case and interest in this project!
+
 Currently works for Spark (v3.2.0).
 
 We also provide a stable version for Spark (v2.4.4) in [this branch.](https://github.com/TileDB-Inc/TileDB-Spark/tree/Spark-2.4.4-Stable)