Full lab documentation and infrastructure as code

- Trino catalogs, Grafana, Spark jobs, LDAP LDIF, NPM compose
- Airflow DAG scripts, Proxmox VM inventory, network docs
- Ansible playbook, Gitea CI validate workflow
- Backup and health-check scripts, cron documentation
- Homepage DOCS tab with links to all documentation
- Extended collect-fleet-config.sh and populate-repo.py

config/trino/README.md

@@ -0,0 +1,19 @@
+# Trino — atc-lake01
+
+| Item | Value |
+|------|-------|
+| UI | http://atc-lake01:8089/ui/ |
+| Container | `trino` (Docker) |
+| Catalogs | `catalog/*.properties` |
+
+## Catalogs
+
+| File | Connector | Source |
+|------|-----------|--------|
+| `postgres_sales.properties` | PostgreSQL | atc-db02:5432 |
+| `mysql_hr.properties` | MySQL | atc-db02:3306 |
+| `mongodb_supplychain.properties` | MongoDB | atc-db02:27017 |
+| `cassandra_telemetry.properties` | Cassandra | atc-db02:9042 |
+| `iceberg.properties` | Iceberg | ObjectScale S3 `10.0.20.111:9020` |
+
+Passwords redacted in git. Refresh: `./scripts/collect/collect-fleet-config.sh`