fix: Redpanda start.sh + FROST direct simulator + Prometheus config

- Redpanda : correction start.sh (v24.3.14)
- FROST : ENABLE_FROST=true dans simulator (test direct)
- Pulsar : distribution.py mis à jour (mais ConnectError)
- Prometheus : config ajoutée (prometheus.yml)
- Grafana : datasources prêtes

docker-compose.distribution.yml

@@ -10,7 +10,6 @@ services:
     container_name: smart-city-pulsar-distribution
     networks:
       - smartcity-shared
-      - traefik-public
     environment:
       - PULSAR_HOST=smart-city-pulsar
       - PULSAR_PORT=6650
@@ -20,11 +19,11 @@ services:
       - STELLIO_URL=http://stellio-api-gateway:8080
       - FROST_URL=http://frost-api-8090:8080/FROST-Server/v1.1
     restart: unless-stopped
+    depends_on:
+      - smart-city-pulsar
     labels:
       - "traefik.enable=false"
 
 networks:
-  traefik-public:
-    external: true
   smartcity-shared:
     external: true