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>

ROADMAP.md

@@ -15,7 +15,7 @@
 - [x] Nginx Ingress + Cert-Manager (TLS automático)
 - [x] DNS configurado (*.fuq.tv)
 
-**Docs**: `CLUSTER-READY.md`, `docs/04-kubernetes/`
+**Docs**: `K8S-CLUSTER.md`, `docs/04-kubernetes/`
 
 ### 2. Bases de Datos y Servicios
 - [x] MariaDB 11.4 LTS con storage HA
@@ -317,7 +317,7 @@ kubectl get pods -n control-plane
 - `docs/06-deployment/staging-production.md` - Promoción
 
 ### Cluster
-- `CLUSTER-READY.md` - Estado del cluster
+- `K8S-CLUSTER.md` - Estado del cluster
 - `CLUSTER-CREDENTIALS.md` - Credenciales (⚠️ sensible)
 - `AGENT-GUIDE.md` - Guía para agentes IA
 - `docs/CONTAINER-REGISTRY.md` - Uso del registry