Add cloudhost-platform Helm chart and registry ingress manifests.

Deploy backend, frontend, PostgreSQL, and Redis on Kubernetes with optional Ingress/TLS, SQL migration hooks, and public registry exposure at repo.3fase.ir.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/helm/cloudhost-platform/templates/migrations-configmap.yaml

@@ -0,0 +1,11 @@
+{{- if and .Values.migrations.enabled .Values.postgres.enabled }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "cloudhost-platform.fullname" . }}-migrations
+  namespace: {{ include "cloudhost-platform.namespace" . }}
+  labels:
+    {{- include "cloudhost-platform.labels" . | nindent 4 }}
+data:
+{{- (.Files.Glob "migrations/*.sql").AsConfig | nindent 2 }}
+{{- end }}