Add GitOps stack for abrban.com with Gitea Actions CI/CD.

Harbor in-cluster builds via Kaniko, ArgoCD auto-sync, and production Helm values for abrban.com domains.

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

backend/helm/cloudhost-platform/templates/backend-deployment.yaml

@@ -19,6 +19,10 @@ spec:
       labels:
         app: {{ include "cloudhost-platform.backend.fullname" . }}
     spec:
+      {{- with .Values.backend.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       initContainers:
         {{- if .Values.postgres.enabled }}
         - name: wait-postgres
@@ -88,6 +92,11 @@ spec:
             - name: {{ $key }}
               value: {{ $val | quote }}
             {{- end }}
+          {{- if .Values.backend.sourceStorage.enabled }}
+          envFrom:
+            - secretRef:
+                name: {{ .Values.backend.sourceStorage.existingSecret }}
+          {{- end }}
           volumeMounts:
             - name: uploads
               mountPath: /app/uploads