Enhance Helm chart with ServiceAccount support and configurable ports

- Updated Chart.yaml to version 0.2.0 and added annotations for changes.
- Modified release-chart.yaml to trigger releases via Gitea and handle pre-releases.
- Introduced ServiceAccount configuration in values.yaml and related templates.
- Adjusted internal container ports to prevent conflicts between nginx and aptly.
- Updated README.md and NOTES.txt to reflect new configurations and usage instructions.

charts/aptly/templates/NOTES.txt

@@ -15,7 +15,7 @@ aptly ({{ .Chart.AppVersion }}, chart {{ .Chart.Version }}) is deploying as {{ $
 --- Check it's up -------------------------------------------------------
 
   kubectl exec -n {{ .Release.Namespace }} {{ $fullname }}-0 -c aptly -- \
-    curl -fsS http://127.0.0.1:8080/api/ready
+    curl -fsS http://127.0.0.1:{{ .Values.ports.aptly }}/api/ready
 
   kubectl logs -n {{ .Release.Namespace }} job/{{ $fullname }}-reconcile
     # (only present right after install/upgrade in `hook` mode)