docs: add PG_PASSWORD secret and manual run instructions

README.md

@@ -28,6 +28,7 @@ Dans **Settings → Secrets**, ajouter :
 | `S3_ACCESS_KEY` | Access key Garage |
 | `S3_SECRET_KEY` | Secret key Garage |
 | `S3_ENDPOINT_URL` | `https://s3.taila5ad8.ts.net` |
+| `PG_PASSWORD` | Mot de passe PostgreSQL (netbox) |
 
 ## Déploiement manuel
 
@@ -36,6 +37,7 @@ export PREFECT_API_URL=https://prefect.taila5ad8.ts.net/api
 export AWS_ACCESS_KEY_ID=xxx
 export AWS_SECRET_ACCESS_KEY=xxx
 export AWS_ENDPOINT_URL=https://s3.taila5ad8.ts.net
+export PG_PASSWORD=xxx
 
 python setup_blocks.py
 python deploy.py
@@ -46,9 +48,19 @@ python deploy.py
 | Block | Type | Usage |
 |-------|------|-------|
 | `garage-credentials` | `AwsCredentials` | Credentials S3 pour Garage |
+| `netbox-db-password` | `Secret` | Mot de passe PostgreSQL |
 
 ## Flows déployés
 
 | Flow | Schedule | Description |
 |------|----------|-------------|
 | `pg-backup-daily` | `0 2 * * *` | Backup quotidien à 2h |
+
+## Lancement manuel
+
+Dans l'UI Prefect : **Deployments** → **pg-backup-daily** → **Run** → **Quick Run**
+
+Ou via CLI :
+```bash
+prefect deployment run 'pg-backup/pg-backup-daily'
+```