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>

AGENT-GUIDE.md

@@ -805,7 +805,7 @@ spec:
 
 ### Documentación del Proyecto
 - `CLUSTER-CREDENTIALS.md` - Credenciales y tokens
-- `CLUSTER-READY.md` - Estado del cluster
+- `K8S-CLUSTER.md` - Estado del cluster
 - `docs/` - Documentación completa del proyecto
 
 ### Comandos Útiles