Rename CLUSTER-READY → K8S-CLUSTER (more direct)

Also added:
- DEVELOPMENT-WORKFLOW.md - Complete dev process documented
- Updated all references across documentation

Documentation is now centralized and direct.

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>

README.md

@@ -33,7 +33,7 @@ Tarea → Agente → Código → PR → Preview Deploy → Aprobación → Stagi
 - **[GITEA-GUIDE.md](GITEA-GUIDE.md)** - Guía completa de Gitea (API, Registry, CI/CD)
 
 ### 🏗️ Infraestructura
-- **[CLUSTER-READY.md](CLUSTER-READY.md)** - Estado del cluster K8s
+- **[K8S-CLUSTER.md](K8S-CLUSTER.md)** - Estado del cluster K8s
 - **[CLUSTER-CREDENTIALS.md](CLUSTER-CREDENTIALS.md)** - Credenciales (⚠️ sensible)
 - **[AGENT-GUIDE.md](AGENT-GUIDE.md)** - Guía para agentes IA
 - **[TROUBLESHOOTING.md](TROUBLESHOOTING.md)** - Solución de problemas
@@ -187,7 +187,7 @@ kubectl get pods -n control-plane
 - Setup CI/CD con Gitea Actions
 - Inicializar backend
 
-**Ver**: `CLUSTER-READY.md` para detalles completos
+**Ver**: `K8S-CLUSTER.md` para detalles completos
 
 ### Sesión 2 (Próxima) - Backend API
 - Completar API routes