[INIT-001] Initial project setup with Clean Architecture (feat)

- Implemented Clean Architecture with Domain, Application, Infrastructure, Presentation layers
- Added comprehensive project structure following SOLID principles
- Created Kubernetes deployment with Helm charts (HPA, PDB, NetworkPolicy)
- Configured ArgoCD for automated deployment (production + staging)
- Implemented CI/CD pipeline with GitHub Actions
- Added comprehensive documentation (handbook, architecture, coding standards)
- Configured PostgreSQL, Redis, Celery for backend services
- Created modern landing page with Persian fonts (Vazirmatn)
- Added Docker multi-stage build for production
- Configured development tools (pytest, black, flake8, mypy, isort)
- Added pre-commit hooks for code quality
- Implemented Makefile for common operations

helm/peikarband/values-staging.yaml

@@ -0,0 +1,63 @@
+# Staging-specific values for peikarband
+
+replicaCount: 1
+
+image:
+  pullPolicy: Always
+
+resources:
+  limits:
+    cpu: 500m
+    memory: 512Mi
+  requests:
+    cpu: 100m
+    memory: 256Mi
+
+autoscaling:
+  enabled: false
+
+ingress:
+  enabled: true
+  className: "nginx"
+  annotations:
+    cert-manager.io/cluster-issuer: "letsencrypt-staging"
+    nginx.ingress.kubernetes.io/ssl-redirect: "true"
+  hosts:
+    - host: staging.peikarband.ir
+      paths:
+        - path: /
+          pathType: Prefix
+  tls:
+    - secretName: peikarband-staging-tls
+      hosts:
+        - staging.peikarband.ir
+
+postgresql:
+  enabled: true
+  external:
+    host: "postgres-staging.default.svc.cluster.local"
+    port: "5432"
+    database: "peikarband_staging"
+
+redis:
+  enabled: true
+  external:
+    host: "redis-staging.default.svc.cluster.local"
+    port: "6379"
+
+configMap:
+  data:
+    APP_NAME: "peikarband-staging"
+    LOG_LEVEL: "debug"
+    ENVIRONMENT: "staging"
+
+podDisruptionBudget:
+  enabled: false
+
+networkPolicy:
+  enabled: false
+
+monitoring:
+  serviceMonitor:
+    enabled: false
+