add openbao deployment

Chart.yaml

@@ -0,0 +1,25 @@
+apiVersion: v2
+name: openbao-gitops
+description: >
+  Deploys OpenBao (standalone, file storage) as the cluster's secret
+  management backend, plus the Kubernetes RBAC/CRDs needed to bind the
+  External Secrets Operator (ESO) to it via the Vault-compatible Kubernetes
+  auth method.
+type: application
+version: 0.1.0
+appVersion: "2.6.2"
+home: https://git.smokyzone.de/SmokyZone/openbao-gitops
+sources:
+  - https://git.smokyzone.de/SmokyZone/openbao-gitops
+  - https://github.com/openbao/openbao-helm
+keywords:
+  - openbao
+  - vault
+  - secrets-management
+  - external-secrets
+maintainers:
+  - name: SmokyZone
+dependencies:
+  - name: openbao
+    version: "0.29.5"
+    repository: https://openbao.github.io/openbao-helm