Update README.md with deprecation notice

README.md

@@ -1,4 +1,12 @@
-## Bitwarden Secrets Manager (BWSM) Provider for External Secrets Operator (ESO)
+## Bitwarden Secrets Manager (BWSM) Provider for External Secrets Operator (ESO) - DEPRECATED
+⚠️📣 DEPRECATION NOTICE 📣⚠️
+
+ESO now officially supports Bitwarden Secrets Manager, use it instead: https://external-secrets.io/latest/provider/bitwarden-secrets-manager/
+
+This has served me well for my Homelab cluster, but there is no need to use or maintain it any longer. 
+
+⚠️📣 DEPRECATION NOTICE 📣⚠️
+
 <a href="https://github.com/bojanraic/bitwarden-secrets-manager-eso/releases"><img src="https://img.shields.io/github/v/release/bojanraic/bitwarden-secrets-manager-eso"></a>
 
 A simple Express.js server wrapper around Bitwarden Secrets Manager CLI ([BWS](https://bitwarden.com/help/secrets-manager-cli/)). 
@@ -71,4 +79,4 @@ See the provided Helm chart's [documentation](https://bojanraic.github.io/bitwar
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-<!-- readme: contributors -end -->
+<!-- readme: contributors -end -->