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/poddisruptionbudget.yaml

@@ -0,0 +1,40 @@
+{{- if .Values.podDisruptionBudget.enabled }}
+---
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "api7ee.fullname" . }}-web
+  labels:
+    {{- include "api7ee.labels" . | nindent 4 }}
+    app.kubernetes.io/component: web
+spec:
+  {{- if .Values.podDisruptionBudget.minAvailable }}
+  minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
+  {{- end }}
+  {{- if .Values.podDisruptionBudget.maxUnavailable }}
+  maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "api7ee.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: web
+---
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "api7ee.fullname" . }}-api
+  labels:
+    {{- include "api7ee.labels" . | nindent 4 }}
+    app.kubernetes.io/component: api
+spec:
+  {{- if .Values.podDisruptionBudget.minAvailable }}
+  minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
+  {{- end }}
+  {{- if .Values.podDisruptionBudget.maxUnavailable }}
+  maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "api7ee.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: api
+{{- end }}