refactor/postgres condition (#7)

* feat: add condition to allow postgres disable

* chore: bump chart version

Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.3.0
+version: 0.3.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
@@ -27,3 +27,4 @@ dependencies:
   - name: "postgresql-ha"
     version: "7.11.0"
     repository: https://charts.bitnami.com/bitnami
+    condition: postgresql-ha.enabled