Add energy skills: OpenOCPP, EVerest, CitrineOS

- Skills classified under energy/ directory
- OpenOCPP: firmware OCPP 1.6J/2.0.1 for EV chargers
- EVerest: EV charging middleware
- CitrineOS: CSMS open-source OCPP 2.0.1

skills/energy/citrineos/SKILL.md

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+# Skill CitrineOS - Cariflex Energy
+
+## Description
+Déploiement de CitrineOS (Charge Station Management System open-source) pour la gestion des bornes de recharge EV de Cariflex.
+
+## Source
+https://github.com/lfenergy/citrineos
+
+## Prérequis
+- Docker / Podman
+- PostgreSQL
+- OCPP 2.0.1 compatible charging stations
+
+## Installation
+
+### 1. Cloner CitrineOS
+```bash
+git clone https://github.com/lfenergy/citrineos.git /home/eric/cariflex/tools/citrineos
+```
+
+### 2. Déploiement Docker
+```bash
+cd /home/eric/cariflex/tools/citrineos
+docker compose up -d
+```
+
+### 3. Configuration
+```yaml
+# docker-compose.yaml
+services:
+  citrineos:
+    image: citrineos/citrineos:latest
+    ports:
+      - "8080:8080"
+      - "8443:8443"
+    environment:
+      DB_URL: jdbc:postgresql://postgres:5432/citrineos
+      OCPP_VERSION: 2.0.1
+```
+
+## Fonctionnalités
+- Gestion des bornes OCPP 2.0.1
+- Monitoring en temps réel
+- Transactions de recharge
+- Smart Charging (limitation puissance)
+- Reporting et analytics
+- API REST pour intégration FlexMeasures
+
+## Intégration FlexMeasures
+
+### Flux
+```
+Borne EV → OCPP 2.0.1 → CitrineOS → REST API → FlexMeasures
+```
+
+### API Endpoints
+| Endpoint | Méthode | Usage |
+|----------|---------|-------|
+| /api/v1/charge-points | GET | Liste des bornes |
+| /api/v1/transactions | GET | Transactions |
+| /api/v1/meter-values | GET | Mesures |
+| /api/v1/remote-start | POST | Démarrage distance |
+| /api/v1/remote-stop | POST | Arrêt distance |
+| /api/v1/change-availability | POST | Changer disponibilité |
+| /api/v1/set-charging-profile | POST | Profil de charge |
+
+## Liens
+- GitHub: https://github.com/lfenergy/citrineos
+- LF Energy: https://lfenergy.org/projects/citrineos/
+- OCPP 2.0.1: https://www.openchargealliance.org/