Add Helm chart for deploying web and API components

- Created complete Helm chart with deployments, services, and ingress
- Added support for both web frontend and API backend components
- Included autoscaling (HPA) for both components
- Added pod disruption budgets for high availability
- Configured security contexts and best practices
- Created helper templates and configuration management
- Added production and development value files
- Included comprehensive README with installation instructions

helm/api7ee/templates/serviceaccount.yaml

@@ -0,0 +1,12 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "api7ee.serviceAccountName" . }}
+  labels:
+    {{- include "api7ee.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}