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/secret.yaml

@@ -0,0 +1,13 @@
+{{- if .Values.secrets.create }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "api7ee.fullname" . }}
+  labels:
+    {{- include "api7ee.labels" . | nindent 4 }}
+type: Opaque
+data:
+  {{- range $key, $val := .Values.secrets.data }}
+  {{ $key }}: {{ $val | b64enc | quote }}
+  {{- end }}
+{{- end }}