helm database cassandra

- update values.yaml for cassandra
- update Chart.yaml for cassandra

helm/charts/02-database/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: hlaeja-database
 description: A Helm chart for the hlaeja database chart wrapper
-version: 0.1.0
+version: 0.2.0
 
 dependencies:
 
@@ -9,3 +9,8 @@ dependencies:
   - name: postgresql
     version: 16.7.21
     repository: "oci://registry-1.docker.io/bitnamicharts"
+
+  # https://artifacthub.io/packages/helm/bitnami/cassandra
+  - name: cassandra
+    version: 12.3.9
+    repository: "oci://registry-1.docker.io/bitnamicharts"