docs: simplify discovery config (RELAYS only); drop OpenRouter BASE_URL mentions

docs/getting-started/configuration.md

@@ -40,13 +40,13 @@ Routstr Core is configured via a single settings row in the database. Environmen
 | `EXCHANGE_FEE` | Exchange rate markup (1.005 = 0.5% fee) | `1.005` | ❌ |
 | `UPSTREAM_PROVIDER_FEE` | Provider fee markup (1.05 = 5% fee) | `1.05` | ❌ |
 
-### Network Configuration
+### Network & Discovery
 
 | Variable | Description | Default | Required |
 |----------|-------------|---------|----------|
 | `CORS_ORIGINS` | Comma-separated list of allowed CORS origins | `*` | ❌ |
 | `TOR_PROXY_URL` | SOCKS5 proxy URL for Tor connections | `socks5://127.0.0.1:9050` | ❌ |
-| `RELAYS` | Comma-separated nostr relays for NIP-91 | defaults applied | ❌ |
+| `RELAYS` | Comma-separated nostr relays used for provider discovery | sane defaults | ❌ |
 | `PROVIDERS_REFRESH_INTERVAL_SECONDS` | Provider cache refresh interval | `300` | ❌ |
 
 ### Logging Configuration

scripts/crontab.example

@@ -1,7 +1,5 @@
-REPO_DIR=/home/user/proxy
-LOG_FILE=/home/user/proxy/update.log
-* * * * * /home/user/proxy/scripts/auto_update.sh >/dev/null 2>&1
+# Example crontab entries for Routstr tasks
 
-OUTPUT_FILE=/home/user/proxy/models.json
-BASE_URL=https://openrouter.ai/api/v1
-0 * * * * python3 /home/user/proxy/scripts/models_meta.py >/dev/null 2>&1
+# Update models.json daily at 03:15 (optional)
+# OUTPUT_FILE=/app/models.json SOURCE=openrouter
+15 3 * * * /usr/local/bin/python /app/scripts/models_meta.py >> /var/log/cron.log 2>&1