feat: Add Lions Dev GitOps deployment infrastructure

🏗️ Kubernetes Manifests:
- Namespace configuration for lions-apps
- Deployment with 3 replicas and resource limits
- Service for internal cluster communication
- Ingress with SSL/TLS for lions.dev and www.lions.dev

🚀 Deployment Script:
- Interactive deployment script with environment validation
- Support for production deployment to k2 cluster
- Safety confirmations and comprehensive logging

🌍 Production Configuration:
- Domain: lions.dev with automatic SSL certificates
- Cluster: k2 for production workloads
- Registry: registry.lions.dev for container images
- Namespace: lions-apps for application isolation

Ready for deployment with lionsctl pipeline command.

applications/lionsdev-client/kubernetes/namespace.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: lions-apps
+  labels:
+    name: lions-apps
+    app.kubernetes.io/name: lions-apps
+    app.kubernetes.io/part-of: lions-infrastructure
+    app.kubernetes.io/managed-by: lionsctl