feat(backup): Add WAL configuration

manifests/grafana/database.yaml

@@ -22,6 +22,24 @@ spec:
     pg_hba:
       - host all all all md5
 
+  backup:
+    barmanObjectStore:
+      destinationPath: "s3://halis/cloudnativepg"
+      endpointURL: https://s3.halia.dev
+      s3Credentials:
+        accessKeyId:
+          name: s3-secret
+          key: AWS_ACCESS_KEY_ID
+        secretAccessKey:
+          name: s3-secret
+          key: AWS_SECRET_ACCESS_KEY
+        region:
+          name: s3-secret
+          key: AWS_REGION
+      wal:
+        compression: gzip
+        maxParallel: 8
+
   resources:
     requests:
       cpu: 100m